diff --git a/addons/recaptcha/recaptcha.class.php b/addons/recaptcha/recaptcha.class.php
index 64e0ad1a3..dbf2bf86c 100644
--- a/addons/recaptcha/recaptcha.class.php
+++ b/addons/recaptcha/recaptcha.class.php
@@ -18,7 +18,7 @@ class reCAPTCHA
 		$response = Context::get('g-recaptcha-response');
 		if (!$response)
 		{
-			return new BaseObject(-1, lang('recaptcha.msg_recaptcha_invalid_response'));
+			return new BaseObject(-1, 'recaptcha.msg_recaptcha_invalid_response');
 		}
 		
 		try
@@ -31,17 +31,17 @@ class reCAPTCHA
 		}
 		catch (\Requests_Exception $e)
 		{
-			return new BaseObject(-1, lang('recaptcha.msg_recaptcha_connection_error'));
+			return new BaseObject(-1, 'recaptcha.msg_recaptcha_connection_error');
 		}
 		
 		$verify = @json_decode($verify_request->body, true);
 		if ($verify && isset($verify['error-codes']) && in_array('invalid-input-response', $verify['error-codes']))
 		{
-			return new BaseObject(-1, lang('recaptcha.msg_recaptcha_invalid_response'));
+			return new BaseObject(-1, 'recaptcha.msg_recaptcha_invalid_response');
 		}
 		elseif (!$verify || !$verify['success'] || (isset($verify['error-codes']) && $verify['error-codes']))
 		{
-			return new BaseObject(-1, lang('recaptcha.msg_recaptcha_server_error'));
+			return new BaseObject(-1, 'recaptcha.msg_recaptcha_server_error');
 		}
 		else
 		{
diff --git a/modules/addon/addon.class.php b/modules/addon/addon.class.php
index 54d9d052a..64b81e319 100644
--- a/modules/addon/addon.class.php
+++ b/modules/addon/addon.class.php
@@ -11,7 +11,7 @@ class addon extends ModuleObject
 	/**
 	 * Implement if additional tasks are necessary when installing
 	 *
-	 * @return Object
+	 * @return void
 	 */
 	function moduleInstall()
 	{
@@ -21,7 +21,6 @@ class addon extends ModuleObject
 		$oAddonController->doInsert('member_extra_info', 0, 'site', 'Y');
 		$oAddonController->doInsert('resize_image', 0, 'site', 'Y');
 		$oAddonController->makeCacheFile(0);
-		return new BaseObject();
 	}
 
 	/**
@@ -53,7 +52,7 @@ class addon extends ModuleObject
 	/**
 	 * Execute update
 	 *
-	 * @return Object
+	 * @return void
 	 */
 	function moduleUpdate()
 	{
@@ -88,8 +87,6 @@ class addon extends ModuleObject
 				}
 			}
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/admin/admin.admin.controller.php b/modules/admin/admin.admin.controller.php
index 3bc2f2ef7..40748efce 100644
--- a/modules/admin/admin.admin.controller.php
+++ b/modules/admin/admin.admin.controller.php
@@ -158,8 +158,8 @@ class adminAdminController extends admin
 		}
 
 		// create a DesignInfo file
-		$output = $this->updateDefaultDesignInfo($vars);
-		return $this->setRedirectUrl(Context::get('error_return_url'), $output);
+		$this->updateDefaultDesignInfo($vars);
+		$this->setRedirectUrl(Context::get('error_return_url'));
 	}
 
 	public function updateDefaultDesignInfo($vars)
@@ -209,8 +209,6 @@ class adminAdminController extends admin
 		}
 
 		$this->makeDefaultDesignFile($designInfo, $vars->site_srl);
-
-		return new BaseObject();
 	}
 
 	function makeDefaultDesignFile($designInfo, $site_srl = 0)
@@ -287,7 +285,7 @@ class adminAdminController extends admin
 
 	/**
 	 * Cleanning favorite
-	 * @return Object
+	 * @return object|void
 	 */
 	function cleanFavorite()
 	{
@@ -301,7 +299,7 @@ class adminAdminController extends admin
 		$favoriteList = $output->get('favoriteList');
 		if(!$favoriteList)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$deleteTargets = array();
@@ -319,7 +317,7 @@ class adminAdminController extends admin
 
 		if(!count($deleteTargets))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$args = new stdClass();
@@ -329,8 +327,6 @@ class adminAdminController extends admin
 		{
 			return $output;
 		}
-
-		return new BaseObject();
 	}
 
 	/**
@@ -496,7 +492,7 @@ class adminAdminController extends admin
 		}
 		else
 		{
-			return new BaseObject(-1, 'fail_to_delete');
+			return $this->setError('fail_to_delete');
 		}
 		$this->setMessage('success_deleted');
 	}
@@ -520,7 +516,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('use_sso', $vars->use_sso === 'Y');
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -540,19 +536,19 @@ class adminAdminController extends admin
 		// Validate the mail sender's information.
 		if (!$vars->mail_default_name)
 		{
-			return new BaseObject(-1, 'msg_advanced_mailer_sender_name_is_empty');
+			return $this->setError('msg_advanced_mailer_sender_name_is_empty');
 		}
 		if (!$vars->mail_default_from)
 		{
-			return new BaseObject(-1, 'msg_advanced_mailer_sender_email_is_empty');
+			return $this->setError('msg_advanced_mailer_sender_email_is_empty');
 		}
 		if (!Mail::isVaildMailAddress($vars->mail_default_from))
 		{
-			return new BaseObject(-1, 'msg_advanced_mailer_sender_email_is_invalid');
+			return $this->setError('msg_advanced_mailer_sender_email_is_invalid');
 		}
 		if ($vars->mail_default_reply_to && !Mail::isVaildMailAddress($vars->mail_default_reply_to))
 		{
-			return new BaseObject(-1, 'msg_advanced_mailer_reply_to_is_invalid');
+			return $this->setError('msg_advanced_mailer_reply_to_is_invalid');
 		}
 		
 		// Validate the mail driver.
@@ -560,7 +556,7 @@ class adminAdminController extends admin
 		$mail_driver = $vars->mail_driver;
 		if (!array_key_exists($mail_driver, $mail_drivers))
 		{
-			return new BaseObject(-1, 'msg_advanced_mailer_sending_method_is_invalid');
+			return $this->setError('msg_advanced_mailer_sending_method_is_invalid');
 		}
 		
 		// Validate the mail driver settings.
@@ -570,7 +566,7 @@ class adminAdminController extends admin
 			$conf_value = $vars->{'mail_' . $mail_driver . '_' . $conf_name} ?: null;
 			if (!$conf_value)
 			{
-				return new BaseObject(-1, 'msg_advanced_mailer_smtp_host_is_invalid');
+				return $this->setError('msg_advanced_mailer_smtp_host_is_invalid');
 			}
 			$mail_driver_config[$conf_name] = $conf_value;
 		}
@@ -580,7 +576,7 @@ class adminAdminController extends admin
 		$sms_driver = $vars->sms_driver;
 		if (!array_key_exists($sms_driver, $sms_drivers))
 		{
-			return new BaseObject(-1, 'msg_advanced_mailer_sending_method_is_invalid');
+			return $this->setError('msg_advanced_mailer_sending_method_is_invalid');
 		}
 		
 		// Validate the SMS driver settings.
@@ -590,7 +586,7 @@ class adminAdminController extends admin
 			$conf_value = $vars->{'sms_' . $sms_driver . '_' . $conf_name} ?: null;
 			if (!$conf_value)
 			{
-				return new BaseObject(-1, 'msg_advanced_mailer_smtp_host_is_invalid');
+				return $this->setError('msg_advanced_mailer_smtp_host_is_invalid');
 			}
 			$sms_driver_config[$conf_name] = $conf_value;
 		}
@@ -629,7 +625,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set("sms.allow_split.lms", toBool($vars->allow_split_lms));
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -684,7 +680,7 @@ class adminAdminController extends admin
 			return $item !== '';
 		}));
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($allowed_ip)) {
-			return new BaseObject(-1, 'msg_invalid_ip');
+			return $this->setError('msg_invalid_ip');
 		}
 		
 		$denied_ip = array_map('trim', preg_split('/[\r\n]/', $vars->admin_denied_ip));
@@ -692,13 +688,13 @@ class adminAdminController extends admin
 			return $item !== '';
 		}));
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($denied_ip)) {
-			return new BaseObject(-1, 'msg_invalid_ip');
+			return $this->setError('msg_invalid_ip');
 		}
 		
 		$oMemberAdminModel = getAdminModel('member');
 		if (!$oMemberAdminModel->getMemberAdminIPCheck($allowed_ip, $denied_ip))
 		{
-			return new BaseObject(-1, 'msg_current_ip_will_be_denied');
+			return $this->setError('msg_current_ip_will_be_denied');
 		}
 		
 		Rhymix\Framework\Config::set('admin.allow', array_values($allowed_ip));
@@ -707,7 +703,7 @@ class adminAdminController extends admin
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -746,7 +742,7 @@ class adminAdminController extends admin
 			}
 			if (!Rhymix\Framework\Cache::getDriverInstance($vars->object_cache_type, $cache_servers))
 			{
-				return new BaseObject(-1, 'msg_cache_handler_not_supported');
+				return $this->setError('msg_cache_handler_not_supported');
 			}
 			Rhymix\Framework\Config::set('cache', array(
 				'type' => $vars->object_cache_type,
@@ -801,7 +797,7 @@ class adminAdminController extends admin
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -839,15 +835,15 @@ class adminAdminController extends admin
 		), $log_filename);
 		if (file_exists(RX_BASEDIR . $log_filename_today) && !is_writable(RX_BASEDIR . $log_filename_today))
 		{
-			return new BaseObject(-1, 'msg_debug_log_filename_not_writable');
+			return $this->setError('msg_debug_log_filename_not_writable');
 		}
 		if (!file_exists(dirname(RX_BASEDIR . $log_filename)) && !FileHandler::makeDir(dirname(RX_BASEDIR . $log_filename)))
 		{
-			return new BaseObject(-1, 'msg_debug_log_filename_not_writable');
+			return $this->setError('msg_debug_log_filename_not_writable');
 		}
 		if (!is_writable(dirname(RX_BASEDIR . $log_filename)))
 		{
-			return new BaseObject(-1, 'msg_debug_log_filename_not_writable');
+			return $this->setError('msg_debug_log_filename_not_writable');
 		}
 		Rhymix\Framework\Config::set('debug.log_filename', $log_filename);
 		
@@ -857,14 +853,14 @@ class adminAdminController extends admin
 			return $item !== '';
 		}));
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($allowed_ip)) {
-			return new BaseObject(-1, 'msg_invalid_ip');
+			return $this->setError('msg_invalid_ip');
 		}
 		Rhymix\Framework\Config::set('debug.allow', array_values($allowed_ip));
 		
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -896,7 +892,7 @@ class adminAdminController extends admin
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -917,7 +913,7 @@ class adminAdminController extends admin
 		
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($allowed_ip))
 		{
-			return new BaseObject(-1, 'msg_invalid_ip');
+			return $this->setError('msg_invalid_ip');
 		}
 		
 		Rhymix\Framework\Config::set('lock.locked', $vars->sitelock_locked === 'Y');
@@ -926,7 +922,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('lock.allow', array_values($allowed_ip));
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -947,7 +943,7 @@ class adminAdminController extends admin
 			$domain_info = getModel('module')->getSiteInfo($domain_srl);
 			if ($domain_info->domain_srl != $domain_srl)
 			{
-				return new BaseObject(-1, 'msg_domain_not_found');
+				return $this->setError('msg_domain_not_found');
 			}
 		}
 		
@@ -956,7 +952,7 @@ class adminAdminController extends admin
 		$vars->subtitle = utf8_trim($vars->subtitle);
 		if ($vars->title === '')
 		{
-			return new BaseObject(-1, 'msg_site_title_is_empty');
+			return $this->setError('msg_site_title_is_empty');
 		}
 		
 		// Validate the domain.
@@ -974,12 +970,12 @@ class adminAdminController extends admin
 		}
 		if (!$vars->domain)
 		{
-			return new BaseObject(-1, 'msg_invalid_domain');
+			return $this->setError('msg_invalid_domain');
 		}
 		$existing_domain = getModel('module')->getSiteInfoByDomain($vars->domain);
 		if ($existing_domain && $existing_domain->domain == $vars->domain && (!$domain_info || $existing_domain->domain_srl != $domain_info->domain_srl))
 		{
-			return new BaseObject(-1, 'msg_domain_already_exists');
+			return $this->setError('msg_domain_already_exists');
 		}
 		
 		// Validate the ports.
@@ -993,11 +989,11 @@ class adminAdminController extends admin
 		}
 		if ($vars->http_port !== 0 && ($vars->http_port < 1 || $vars->http_port > 65535 || $vars->http_port == 443))
 		{
-			return new BaseObject(-1, 'msg_invalid_http_port');
+			return $this->setError('msg_invalid_http_port');
 		}
 		if ($vars->https_port !== 0 && ($vars->https_port < 1 || $vars->https_port > 65535 || $vars->https_port == 80))
 		{
-			return new BaseObject(-1, 'msg_invalid_https_port');
+			return $this->setError('msg_invalid_https_port');
 		}
 		
 		// Validate the security setting.
@@ -1011,7 +1007,7 @@ class adminAdminController extends admin
 		$module_info = getModel('module')->getModuleInfoByModuleSrl(intval($vars->index_module_srl));
 		if (!$module_info || $module_info->module_srl != $vars->index_module_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_index_module_srl');
+			return $this->setError('msg_invalid_index_module_srl');
 		}
 		
 		// Validate the index document setting.
@@ -1020,11 +1016,11 @@ class adminAdminController extends admin
 			$oDocument = getModel('document')->getDocument($vars->index_document_srl);
 			if (!$oDocument || !$oDocument->isExists())
 			{
-				return new BaseObject(-1, 'msg_invalid_index_document_srl');
+				return $this->setError('msg_invalid_index_document_srl');
 			}
 			if (intval($oDocument->get('module_srl')) !== intval($vars->index_module_srl))
 			{
-				return new BaseObject(-1, 'msg_invalid_index_document_srl_module_srl');
+				return $this->setError('msg_invalid_index_document_srl_module_srl');
 			}
 		}
 		else
@@ -1036,14 +1032,14 @@ class adminAdminController extends admin
 		$enabled_lang = Rhymix\Framework\Config::get('locale.enabled_lang');
 		if (!in_array($vars->default_lang, $enabled_lang))
 		{
-			return new BaseObject(-1, 'msg_lang_is_not_enabled');
+			return $this->setError('msg_lang_is_not_enabled');
 		}
 		
 		// Validate the default time zone.
 		$timezone_list = Rhymix\Framework\DateTime::getTimezoneList();
 		if (!isset($timezone_list[$vars->default_timezone]))
 		{
-			return new BaseObject(-1, 'msg_invalid_timezone');
+			return $this->setError('msg_invalid_timezone');
 		}
 		
 		// Clean up the header and footer scripts.
@@ -1166,16 +1162,16 @@ class adminAdminController extends admin
 		$domain_srl = strval(Context::get('domain_srl'));
 		if ($domain_srl === '')
 		{
-			return new BaseObject(-1, 'msg_domain_not_found');
+			return $this->setError('msg_domain_not_found');
 		}
 		$domain_info = getModel('module')->getSiteInfo($domain_srl);
 		if ($domain_info->domain_srl != $domain_srl)
 		{
-			return new BaseObject(-1, 'msg_domain_not_found');
+			return $this->setError('msg_domain_not_found');
 		}
 		if ($domain_info->is_default_domain === 'Y')
 		{
-			return new BaseObject(-1, 'msg_cannot_delete_default_domain');
+			return $this->setError('msg_cannot_delete_default_domain');
 		}
 		
 		// Delete the domain.
@@ -1208,19 +1204,19 @@ class adminAdminController extends admin
 		{
 			if (!($conn = @ftp_connect($vars->ftp_host, $vars->ftp_port, 3)))
 			{
-				return new BaseObject(-1, 'msg_ftp_not_connected');
+				return $this->setError('msg_ftp_not_connected');
 			}
 			if (!@ftp_login($conn, $vars->ftp_user, $vars->ftp_pass))
 			{
-				return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+				return $this->setError('msg_ftp_invalid_auth_info');
 			}
 			if (!@ftp_pasv($conn, $vars->ftp_pasv === 'Y'))
 			{
-				return new BaseObject(-1, 'msg_ftp_cannot_set_passive_mode');
+				return $this->setError('msg_ftp_cannot_set_passive_mode');
 			}
 			if (!@ftp_chdir($conn, $vars->ftp_path))
 			{
-				return new BaseObject(-1, 'msg_ftp_invalid_path');
+				return $this->setError('msg_ftp_invalid_path');
 			}
 			ftp_close($conn);
 		}
@@ -1228,23 +1224,23 @@ class adminAdminController extends admin
 		{
 			if (!function_exists('ssh2_connect'))
 			{
-				return new BaseObject(-1, 'disable_sftp_support');
+				return $this->setError('disable_sftp_support');
 			}
 			if (!($conn = ssh2_connect($vars->ftp_host, $vars->ftp_port)))
 			{
-				return new BaseObject(-1, 'msg_ftp_not_connected');
+				return $this->setError('msg_ftp_not_connected');
 			}
 			if (!@ssh2_auth_password($conn, $vars->ftp_user, $vars->ftp_pass))
 			{
-				return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+				return $this->setError('msg_ftp_invalid_auth_info');
 			}
 			if (!@($sftp = ssh2_sftp($conn)))
 			{
-				return new BaseObject(-1, 'msg_ftp_sftp_error');
+				return $this->setError('msg_ftp_sftp_error');
 			}
 			if (!@ssh2_sftp_stat($sftp, $vars->ftp_path . 'common/defaults/config.php'))
 			{
-				return new BaseObject(-1, 'msg_ftp_invalid_path');
+				return $this->setError('msg_ftp_invalid_path');
 			}
 			unset($sftp, $conn);
 		}
@@ -1259,7 +1255,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('ftp.sftp', $vars->ftp_sftp === 'Y');
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -1280,7 +1276,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('ftp.sftp', false);
 		if (!Rhymix\Framework\Config::save())
 		{
-			return new BaseObject(-1, 'msg_failed_to_save_config');
+			return $this->setError('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_deleted');
diff --git a/modules/admin/admin.admin.model.php b/modules/admin/admin.admin.model.php
index 44c9a930e..65395c5c6 100644
--- a/modules/admin/admin.admin.model.php
+++ b/modules/admin/admin.admin.model.php
@@ -43,7 +43,7 @@ class adminAdminModel extends admin
 		$connection = ssh2_connect($ftp_info->ftp_host, $ftp_info->ftp_port);
 		if(!ssh2_auth_password($connection, $ftp_info->ftp_user, $ftp_info->ftp_password))
 		{
-			return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+			return $this->setError('msg_ftp_invalid_auth_info');
 		}
 		$sftp = ssh2_sftp($connection);
 
@@ -112,14 +112,14 @@ class adminAdminModel extends admin
 		$connection = ftp_connect($ftp_info->ftp_host, $ftp_info->ftp_port);
 		if(!$connection)
 		{
-			return new BaseObject(-1, sprintf(lang('msg_ftp_not_connected'), 'host'));
+			return $this->setError('msg_ftp_not_connected', 'host');
 		}
 
 		$login_result = @ftp_login($connection, $ftp_info->ftp_user, $ftp_info->ftp_password);
 		if(!$login_result)
 		{
 			ftp_close($connection);
-			return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+			return $this->setError('msg_ftp_invalid_auth_info');
 		}
 
 		// create temp file
@@ -199,7 +199,7 @@ class adminAdminModel extends admin
 		{
 			if(!function_exists('ssh2_sftp'))
 			{
-				return new BaseObject(-1, 'disable_sftp_support');
+				return $this->setError('disable_sftp_support');
 			}
 			return $this->getSFTPPath();
 		}
@@ -286,7 +286,7 @@ class adminAdminModel extends admin
 		$connection = ssh2_connect($ftp_info->ftp_host, $ftp_info->ftp_port);
 		if(!ssh2_auth_password($connection, $ftp_info->ftp_user, $ftp_info->ftp_password))
 		{
-			return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+			return $this->setError('msg_ftp_invalid_auth_info');
 		}
 
 		$sftp = ssh2_sftp($connection);
@@ -294,7 +294,7 @@ class adminAdminModel extends admin
 		$dh = @opendir($curpwd);
 		if(!$dh)
 		{
-			return new BaseObject(-1, 'msg_ftp_invalid_path');
+			return $this->setError('msg_ftp_invalid_path');
 		}
 		$list = array();
 		while(($file = readdir($dh)) !== FALSE)
@@ -325,7 +325,7 @@ class adminAdminModel extends admin
 		$ftp_info = Context::getRequestVars();
 		if(!$ftp_info->ftp_user || !$ftp_info->ftp_password)
 		{
-			return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+			return $this->setError('msg_ftp_invalid_auth_info');
 		}
 
 		$this->pwd = $ftp_info->ftp_root_path;
@@ -344,7 +344,7 @@ class adminAdminModel extends admin
 		{
 			if(!function_exists('ssh2_sftp'))
 			{
-				return new BaseObject(-1, 'disable_sftp_support');
+				return $this->setError('disable_sftp_support');
 			}
 			return $this->getSFTPList();
 		}
@@ -359,7 +359,7 @@ class adminAdminModel extends admin
 			}
 			else
 			{
-				return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+				return $this->setError('msg_ftp_invalid_auth_info');
 			}
 		}
 		$list = array();
@@ -380,7 +380,7 @@ class adminAdminModel extends admin
 		}
 		else
 		{
-			return new BaseObject(-1, 'msg_ftp_no_directory');
+			return $this->setError('msg_ftp_no_directory');
 		}
 		$this->add('list', $list);
 	}
diff --git a/modules/admin/admin.admin.view.php b/modules/admin/admin.admin.view.php
index 48ee8d31f..f726b6d17 100644
--- a/modules/admin/admin.admin.view.php
+++ b/modules/admin/admin.admin.view.php
@@ -662,7 +662,7 @@ class adminAdminView extends admin
 			$domain_info = getModel('module')->getSiteInfo($domain_srl);
 			if ($domain_info->domain_srl != $domain_srl)
 			{
-				return new BaseObject(-1, 'msg_domain_not_found');
+				return $this->setError('msg_domain_not_found');
 			}
 		}
 		Context::set('domain_info', $domain_info);
diff --git a/modules/admin/admin.class.php b/modules/admin/admin.class.php
index 43c2313cb..84f83242e 100644
--- a/modules/admin/admin.class.php
+++ b/modules/admin/admin.class.php
@@ -20,11 +20,11 @@ class admin extends ModuleObject
 
 	/**
 	 * Install admin module
-	 * @return Object
+	 * @return void
 	 */
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -44,7 +44,7 @@ class admin extends ModuleObject
 
 	/**
 	 * Update module
-	 * @return Object
+	 * @return void
 	 */
 	function moduleUpdate()
 	{
@@ -68,7 +68,6 @@ class admin extends ModuleObject
 				}
 			}
 		}
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/adminlogging/adminlogging.class.php b/modules/adminlogging/adminlogging.class.php
index cd2a1ec51..21cd2bc3a 100644
--- a/modules/adminlogging/adminlogging.class.php
+++ b/modules/adminlogging/adminlogging.class.php
@@ -14,11 +14,11 @@ class adminlogging extends ModuleObject
 
 	/**
 	 * Install adminlogging module
-	 * @return Object
+	 * @return void
 	 */
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -32,11 +32,11 @@ class adminlogging extends ModuleObject
 
 	/**
 	 * Update module
-	 * @return Object
+	 * @return void
 	 */
 	function moduleUpdate()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
diff --git a/modules/advanced_mailer/advanced_mailer.admin.controller.php b/modules/advanced_mailer/advanced_mailer.admin.controller.php
index fff1330de..66de18923 100644
--- a/modules/advanced_mailer/advanced_mailer.admin.controller.php
+++ b/modules/advanced_mailer/advanced_mailer.admin.controller.php
@@ -61,7 +61,7 @@ class Advanced_MailerAdminController extends Advanced_Mailer
 			{
 				if ($method !== 'default' && !isset($sending_methods[$method]))
 				{
-					return new BaseObject(-1, 'msg_advanced_mailer_sending_method_is_invalid');
+					return $this->setError('msg_advanced_mailer_sending_method_is_invalid');
 				}
 				if ($method !== 'default')
 				{
@@ -69,9 +69,7 @@ class Advanced_MailerAdminController extends Advanced_Mailer
 					{
 						if (!Rhymix\Framework\Config::get("mail.$method.$conf_name"))
 						{
-							return new BaseObject(-1, sprintf(
-								Context::getLang('msg_advanced_mailer_sending_method_is_not_configured'),
-								Context::getLang('cmd_advanced_mailer_sending_method_' . $method)));
+							return $this->setError('msg_advanced_mailer_sending_method_is_not_configured', lang('cmd_advanced_mailer_sending_method_' . $method));
 						}
 					}
 				}
@@ -157,11 +155,11 @@ class Advanced_MailerAdminController extends Advanced_Mailer
 		$clear_before_days = intval(Context::get('clear_before_days'));
 		if (!in_array($status, array('success', 'error')))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if ($clear_before_days < 0)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		$obj = new stdClass();
@@ -188,11 +186,11 @@ class Advanced_MailerAdminController extends Advanced_Mailer
 		$clear_before_days = intval(Context::get('clear_before_days'));
 		if (!in_array($status, array('success', 'error')))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if ($clear_before_days < 0)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		$obj = new stdClass();
diff --git a/modules/advanced_mailer/advanced_mailer.admin.view.php b/modules/advanced_mailer/advanced_mailer.admin.view.php
index a21f88231..2d96386be 100644
--- a/modules/advanced_mailer/advanced_mailer.admin.view.php
+++ b/modules/advanced_mailer/advanced_mailer.admin.view.php
@@ -302,7 +302,7 @@ class Advanced_MailerAdminView extends Advanced_Mailer
 		$total_count = $count->data->count;
 		$total_page = max(1, ceil($total_count / 20));
 		
-		$output = new BaseObject();
+		$output = new stdClass;
 		$output->total_count = $total_count;
 		$output->total_page = $total_page;
 		$output->page = $page;
diff --git a/modules/advanced_mailer/advanced_mailer.class.php b/modules/advanced_mailer/advanced_mailer.class.php
index bd9142851..b63f0f45a 100644
--- a/modules/advanced_mailer/advanced_mailer.class.php
+++ b/modules/advanced_mailer/advanced_mailer.class.php
@@ -208,7 +208,6 @@ class Advanced_Mailer extends ModuleObject
 	public function moduleInstall()
 	{
 		$this->registerTriggers();
-		return new BaseObject();
 	}
 	
 	/**
@@ -242,7 +241,6 @@ class Advanced_Mailer extends ModuleObject
 	public function moduleUpdate()
 	{
 		$this->registerTriggers();
-		return new BaseObject(0, 'success_updated');
 	}
 	
 	public function recompileCache()
diff --git a/modules/autoinstall/autoinstall.admin.controller.php b/modules/autoinstall/autoinstall.admin.controller.php
index 7acf2a06f..f6f195f79 100644
--- a/modules/autoinstall/autoinstall.admin.controller.php
+++ b/modules/autoinstall/autoinstall.admin.controller.php
@@ -83,7 +83,7 @@ class autoinstallAdminController extends autoinstall
 		$this->checkInstalled();
 
 		$oAdminController = getAdminController('admin');
-		$output = $oAdminController->cleanFavorite();
+		$oAdminController->cleanFavorite();
 	}
 
 	/**
diff --git a/modules/autoinstall/autoinstall.admin.model.php b/modules/autoinstall/autoinstall.admin.model.php
index b66b80c2c..fad936108 100644
--- a/modules/autoinstall/autoinstall.admin.model.php
+++ b/modules/autoinstall/autoinstall.admin.model.php
@@ -354,7 +354,7 @@ class autoinstallAdminModel extends autoinstall
 		$packageSrl = Context::get('package_srl');
 		if(!$packageSrl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$package = $this->getInstallInfo($packageSrl);
diff --git a/modules/autoinstall/autoinstall.class.php b/modules/autoinstall/autoinstall.class.php
index 1e3feb546..bb821e125 100644
--- a/modules/autoinstall/autoinstall.class.php
+++ b/modules/autoinstall/autoinstall.class.php
@@ -156,8 +156,6 @@ class autoinstall extends ModuleObject
 		{
 			$oDB->addColumn('autoinstall_packages', 'have_instance', 'char', '1', 'N', TRUE);
 		}
-		
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/board/board.admin.controller.php b/modules/board/board.admin.controller.php
index cebba4f90..571e972ce 100644
--- a/modules/board/board.admin.controller.php
+++ b/modules/board/board.admin.controller.php
@@ -166,7 +166,7 @@ class boardAdminController extends board {
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
 		if($module_info->mid != $mid)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$module_info->hide_category = Context::get('hide_category') == 'Y' ? 'Y' : 'N';
diff --git a/modules/board/board.class.php b/modules/board/board.class.php
index 8d0e65209..e5fe03f7d 100644
--- a/modules/board/board.class.php
+++ b/modules/board/board.class.php
@@ -75,8 +75,6 @@ class board extends ModuleObject
 				$oModuleController->updateSite($site_args);
 			}
 		}
-
-		return new BaseObject();
 	}
 
 	/**
@@ -113,8 +111,6 @@ class board extends ModuleObject
 		{
 			$oModuleController->insertTrigger('menu.getModuleListInSitemap', 'board', 'model', 'triggerModuleListInSitemap', 'after');
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	function moduleUninstall()
diff --git a/modules/board/board.controller.php b/modules/board/board.controller.php
index 40d1faa4f..d5f1fcae9 100644
--- a/modules/board/board.controller.php
+++ b/modules/board/board.controller.php
@@ -24,7 +24,7 @@ class boardController extends board
 		// check grant
 		if(!$this->grant->write_document)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		// setup variables
@@ -35,7 +35,7 @@ class boardController extends board
 		// Return error if content is empty.
 		if (is_empty_html_content($obj->content))
 		{
-			return new BaseObject(-1, 'msg_empty_content');
+			return $this->setError('msg_empty_content');
 		}
 		
 		// unset document style if not manager
@@ -100,14 +100,14 @@ class boardController extends board
 		{
 			if(!$oDocument->isGranted())
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 			
 			// Protect admin document
 			$member_info = getModel('member')->getMemberInfoByMemberSrl($oDocument->get('member_srl'));
 			if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 			{
-				return new BaseObject(-1, 'msg_admin_document_no_modify');
+				return $this->setError('msg_admin_document_no_modify');
 			}
 			
 			// if document status is temp
@@ -131,7 +131,7 @@ class boardController extends board
 				{
 					if($oDocument->get('comment_count') > 0 && !$this->grant->manager)
 					{
-						return new BaseObject(-1, 'msg_protect_update_content');
+						return $this->setError('msg_protect_update_content');
 					}
 				}
 				
@@ -140,7 +140,7 @@ class boardController extends board
 				{
 					if($oDocument->get('regdate') < date('YmdHis', strtotime('-' . $this->module_info->protect_document_regdate . ' day')))
 					{
-						return new BaseObject(-1, sprintf(lang('msg_protect_regdate_document'), $this->module_info->protect_document_regdate));
+						return $this->setError(sprintf(lang('msg_protect_regdate_document'), $this->module_info->protect_document_regdate));
 					}
 				}
 				
@@ -228,7 +228,7 @@ class boardController extends board
 		$logged_info = Context::get('logged_info');
 		if(!$update_id)
 		{
-			return new BaseObject(-1, 'msg_no_update_id');
+			return $this->setError('msg_no_update_id');
 		}
 
 		$oDocumentModel = getModel('document');
@@ -240,13 +240,13 @@ class boardController extends board
 			$Exists_log = $oDocumentModel->getUpdateLogAdminisExists($update_log->document_srl);
 			if($Exists_log === true)
 			{
-				return new BaseObject(-1, 'msg_admin_update_log');
+				return $this->setError('msg_admin_update_log');
 			}
 		}
 
 		if(!$update_log)
 		{
-			return new BaseObject(-1, 'msg_no_update_log');
+			return $this->setError('msg_no_update_log');
 		}
 
 		$oDocument = $oDocumentModel->getDocument($update_log->document_srl);
@@ -275,7 +275,7 @@ class boardController extends board
 		// if the document is not existed
 		if(!$document_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_document');
+			return $this->setError('msg_invalid_document');
 		}
 
 		$oDocumentModel = &getModel('document');
@@ -285,7 +285,7 @@ class boardController extends board
 		{
 			if($oDocument->get('comment_count') > 0 && $this->grant->manager == false)
 			{
-				return new BaseObject(-1, 'msg_protect_delete_content');
+				return $this->setError('msg_protect_delete_content');
 			}
 		}
 
@@ -295,7 +295,7 @@ class boardController extends board
 			{
 				$format =  lang('msg_protect_regdate_document');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return new BaseObject(-1, $massage);
+				return $this->setError($massage);
 			}
 		}
 		// generate document module controller object
@@ -349,7 +349,7 @@ class boardController extends board
 		// check grant
 		if(!$this->grant->write_comment)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		$logged_info = Context::get('logged_info');
 
@@ -378,7 +378,7 @@ class boardController extends board
 		$oDocument = $oDocumentModel->getDocument($obj->document_srl);
 		if(!$oDocument->isExists())
 		{
-			return new BaseObject(-1,'msg_not_founded');
+			return $this->setError('msg_not_founded');
 		}
 
 		// For anonymous use, remove writer's information and notifying information
@@ -416,7 +416,7 @@ class boardController extends board
 				$childs = $oCommentModel->getChildComments($obj->comment_srl);
 				if(count($childs) > 0)
 				{
-					return new BaseObject(-1, 'msg_board_update_protect_comment');
+					return $this->setError('msg_board_update_protect_comment');
 				}
 			}
 		}
@@ -426,7 +426,7 @@ class boardController extends board
 
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return new BaseObject(-1, 'msg_admin_comment_no_modify');
+			return $this->setError('msg_admin_comment_no_modify');
 		}
 
 		// INSERT if comment_srl does not exist.
@@ -441,7 +441,7 @@ class boardController extends board
 				$parent_comment = $oCommentModel->getComment($obj->parent_srl);
 				if(!$parent_comment->comment_srl)
 				{
-					return new BaseObject(-1, 'msg_invalid_request');
+					return $this->setError('msg_invalid_request');
 				}
 				if($parent_comment->isSecret() && $this->module_info->secret === 'Y')
 				{
@@ -470,13 +470,13 @@ class boardController extends board
 				{
 					$format =  lang('msg_protect_regdate_comment');
 					$massage = sprintf($format, $this->module_info->protect_document_regdate);
-					return new BaseObject(-1, $massage);
+					return $this->setError($massage);
 				}
 			}
 			// check the grant
 			if(!$comment->isGranted())
 			{
-				return new BaseObject(-1,'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 			$obj->parent_srl = $comment->parent_srl;
 			$output = $oCommentController->updateComment($obj, $this->grant->manager);
@@ -510,7 +510,7 @@ class boardController extends board
 
 		if(!$comment_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oCommentModel = getModel('comment');
@@ -520,7 +520,7 @@ class boardController extends board
 			$childs = $oCommentModel->getChildComments($comment_srl);
 			if(count($childs) > 0)
 			{
-				return new BaseObject(-1, 'msg_board_delete_protect_comment');
+				return $this->setError('msg_board_delete_protect_comment');
 			}
 		}
 		$comment = $oCommentModel->getComment($comment_srl, $this->grant->manager);
@@ -530,7 +530,7 @@ class boardController extends board
 			{
 				$format =  lang('msg_protect_regdate_comment');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return new BaseObject(-1, $massage);
+				return $this->setError($massage);
 			}
 		}
 		// generate comment  controller object
@@ -642,13 +642,13 @@ class boardController extends board
 			$oComment = $oCommentModel->getComment($comment_srl);
 			if(!$oComment->isExists())
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 
 			// compare the comment password and the user input password
 			if(!$oMemberModel->isValidPassword($oComment->get('password'),$password))
 			{
-				return new BaseObject(-1, 'msg_invalid_password');
+				return $this->setError('msg_invalid_password');
 			}
 
 			$oComment->setGrantForSession();
@@ -658,13 +658,13 @@ class boardController extends board
 			$oDocument = $oDocumentModel->getDocument($document_srl);
 			if(!$oDocument->isExists())
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 
 			// compare the document password and the user input password
 			if(!$oMemberModel->isValidPassword($oDocument->get('password'),$password))
 			{
-				return new BaseObject(-1, 'msg_invalid_password');
+				return $this->setError('msg_invalid_password');
 			}
 
 			$oDocument->setGrantForSession();
@@ -681,7 +681,7 @@ class boardController extends board
 
 		if(!$member_srl || !$mid)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -693,7 +693,7 @@ class boardController extends board
 
 		if($cur_module_info->module != 'board')
 		{
-			return new BaseObject();
+			return;
 		}
 
 		// get the member information
@@ -707,15 +707,13 @@ class boardController extends board
 
 		if(!$member_info->user_id)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		//search
 		$url = getUrl('','mid',$mid,'search_target','nick_name','search_keyword',$member_info->nick_name);
 		$oMemberController = getController('member');
 		$oMemberController->addMemberPopupMenu($url, 'cmd_view_own_document', '');
-
-		return new BaseObject();
 	}
 	
 	/**
diff --git a/modules/board/board.view.php b/modules/board/board.view.php
index 208e0ca7d..9156ff2e7 100644
--- a/modules/board/board.view.php
+++ b/modules/board/board.view.php
@@ -657,18 +657,18 @@ class boardView extends board
 		$document_srl = Context::get('document_srl');
 		if(!$document_srl)
 		{
-			return new BaseObject(-1, "msg_invalid_request");
+			return $this->setError("msg_invalid_request");
 		}
 		
 		if($this->grant->view == false || ($this->module_info->consultation == 'Y' && !$this->grant->manager && !$this->grant->consultation_read))
 		{
-			return new BaseObject(-1, "msg_not_permitted");
+			return $this->setError("msg_not_permitted");
 		}
 		
 		$oDocument = getModel('document')->getDocument($document_srl);
 		if(!$oDocument->isExists())
 		{
-			return new BaseObject(-1, "msg_invalid_request");
+			return $this->setError("msg_invalid_request");
 		}
 		Context::set('oDocument', $oDocument);
 		
@@ -765,20 +765,20 @@ class boardView extends board
 				{
 					$format =  lang('msg_protect_regdate_document');
 					$massage = sprintf($format, $this->module_info->protect_document_regdate);
-					return new BaseObject(-1, $massage);
+					return $this->setError($massage);
 				}
 			}
 			if($this->module_info->protect_content == "Y" || $this->module_info->protect_update_content == 'Y')
 			{
 				if($oDocument->get('comment_count') > 0 && $this->grant->manager == false)
 				{
-					return new BaseObject(-1, 'msg_protect_update_content');
+					return $this->setError('msg_protect_update_content');
 				}
 			}
 		}
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return new BaseObject(-1, 'msg_admin_document_no_modify');
+			return $this->setError('msg_admin_document_no_modify');
 		}
 
 		// if the document is not granted, then back to the password input form
@@ -892,7 +892,7 @@ class boardView extends board
 			{
 				$format =  lang('msg_protect_regdate_document');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return new BaseObject(-1, $massage);
+				return $this->setError($massage);
 			}
 		}
 
@@ -900,7 +900,7 @@ class boardView extends board
 		{
 			if($oDocument->get('comment_count')>0 && $this->grant->manager == false)
 			{
-				return new BaseObject(-1,'msg_protect_delete_content');
+				return $this->setError('msg_protect_delete_content');
 			}
 		}
 
@@ -977,7 +977,7 @@ class boardView extends board
 		// if the parent comment is not existed
 		if(!$parent_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// get the comment
@@ -1039,7 +1039,7 @@ class boardView extends board
 		// if the comment is not existed
 		if(!$comment_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// get comment information
@@ -1054,7 +1054,7 @@ class boardView extends board
 			{
 				$format =  lang('msg_protect_regdate_comment');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return new BaseObject(-1, $massage);
+				return $this->setError($massage);
 			}
 		}
 		if($this->module_info->protect_update_comment === 'Y' && $this->grant->manager == false)
@@ -1062,13 +1062,13 @@ class boardView extends board
 			$childs = $oCommentModel->getChildComments($comment_srl);
 			if(count($childs) > 0)
 			{
-				return new BaseObject(-1, 'msg_board_update_protect_comment');
+				return $this->setError('msg_board_update_protect_comment');
 			}
 		}
 
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return new BaseObject(-1, 'msg_admin_comment_no_modify');
+			return $this->setError('msg_admin_comment_no_modify');
 		}
 
 		// if the comment is not exited, alert an error message
@@ -1122,7 +1122,7 @@ class boardView extends board
 			{
 				$format =  lang('msg_protect_regdate_comment');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return new BaseObject(-1, $massage);
+				return $this->setError($massage);
 			}
 		}
 
@@ -1132,7 +1132,7 @@ class boardView extends board
 			$childs = $oCommentModel->getChildComments($comment_srl);
 			if(count($childs) > 0)
 			{
-				return new BaseObject(-1, 'msg_board_delete_protect_comment');
+				return $this->setError('msg_board_delete_protect_comment');
 			}
 		}
 
@@ -1212,7 +1212,7 @@ class boardView extends board
 
 		if($this->grant->update_view !== true)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		$updatelog = $oDocumentModel->getDocumentUpdateLog($document_srl);
@@ -1232,7 +1232,7 @@ class boardView extends board
 
 		if($this->grant->update_view !== true)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		$update_log = $oDocumentModel->getUpdateLog($update_id);
@@ -1268,7 +1268,7 @@ class boardView extends board
 	{
 		iF($this->grant->vote_log_view !== true)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		$oMemberModel = getModel('member');
@@ -1289,7 +1289,7 @@ class boardView extends board
 		}
 		else
 		{
-			return new BaseObject(-1, 'msg_not_target');
+			return $this->setError('msg_not_target');
 		}
 
 		$output = executeQueryArray($queryId, $args);
diff --git a/modules/comment/comment.admin.controller.php b/modules/comment/comment.admin.controller.php
index 50b58d0e3..9ad5709eb 100644
--- a/modules/comment/comment.admin.controller.php
+++ b/modules/comment/comment.admin.controller.php
@@ -96,7 +96,7 @@ class commentAdminController extends comment
 				$comment = $oCommentModel->getComment($comment_srl);
 				if($comment->comment_srl != $comment_srl)
 				{
-					return new BaseObject(-1, 'msg_invalid_request');
+					return $this->setError('msg_invalid_request');
 				}
 				$document_srl = $comment->document_srl;
 				if(!in_array($document_srl, $updated_documents_arr))
diff --git a/modules/comment/comment.class.php b/modules/comment/comment.class.php
index 40cdecc49..e6e25bab0 100644
--- a/modules/comment/comment.class.php
+++ b/modules/comment/comment.class.php
@@ -33,8 +33,6 @@ class comment extends ModuleObject
 		$oModuleController->insertTrigger('module.deleteModule', 'comment', 'controller', 'triggerDeleteModuleComments', 'after');
 		// 2008. 02. 22 add comment setting when a new module added
 		$oModuleController->insertTrigger('module.dispAdditionSetup', 'comment', 'view', 'triggerDispCommentAdditionSetup', 'before');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -194,8 +192,6 @@ class comment extends ModuleObject
 		{
 			$oDB->addIndex('comments', 'idx_parent_srl', array('parent_srl'));
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/comment/comment.controller.php b/modules/comment/comment.controller.php
index 4a5d5f0a8..f0e0e23c0 100644
--- a/modules/comment/comment.controller.php
+++ b/modules/comment/comment.controller.php
@@ -29,13 +29,13 @@ class commentController extends comment
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$comment_srl = Context::get('target_srl');
 		if(!$comment_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oCommentModel = getModel('comment');
@@ -43,14 +43,14 @@ class commentController extends comment
 		$module_srl = $oComment->get('module_srl');
 		if(!$module_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oModuleModel = getModel('module');
 		$comment_config = $oModuleModel->getModulePartConfig('comment', $module_srl);
 		if($comment_config->use_vote_up == 'N')
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$point = 1;
@@ -61,16 +61,16 @@ class commentController extends comment
 
 	function procCommentVoteUpCancel()
 	{
-		if(!Context::get('logged_info')) return new BaseObject(-1, 'msg_invalid_request');
+		if(!Context::get('logged_info')) return $this->setError('msg_invalid_request');
 
 		$comment_srl = Context::get('target_srl');
-		if(!$comment_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$comment_srl) return $this->setError('msg_invalid_request');
 
 		$oCommentModel = getModel('comment');
 		$oComment = $oCommentModel->getComment($comment_srl, FALSE, FALSE);
 		if($oComment->get('voted_count') <= 0)
 		{
-			return new BaseObject(-1, 'msg_comment_voted_cancel_not');
+			return $this->setError('msg_comment_voted_cancel_not');
 		}
 		$point = 1;
 		$output = $this->updateVotedCountCancel($comment_srl, $oComment, $point);
@@ -90,13 +90,13 @@ class commentController extends comment
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$comment_srl = Context::get('target_srl');
 		if(!$comment_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oCommentModel = getModel('comment');
@@ -104,14 +104,14 @@ class commentController extends comment
 		$module_srl = $oComment->get('module_srl');
 		if(!$module_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oModuleModel = getModel('module');
 		$comment_config = $oModuleModel->getModulePartConfig('comment', $module_srl);
 		if($comment_config->use_vote_down == 'N')
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$point = -1;
@@ -122,16 +122,16 @@ class commentController extends comment
 
 	function procCommentVoteDownCancel()
 	{
-		if(!Context::get('logged_info')) return new BaseObject(-1, 'msg_invalid_request');
+		if(!Context::get('logged_info')) return $this->setError('msg_invalid_request');
 
 		$comment_srl = Context::get('target_srl');
-		if(!$comment_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$comment_srl) return $this->setError('msg_invalid_request');
 
 		$oCommentModel = getModel('comment');
 		$oComment = $oCommentModel->getComment($comment_srl, FALSE, FALSE);
 		if($oComment->get('blamed_count') >= 0)
 		{
-			return new BaseObject(-1, 'msg_comment_blamed_cancel_not');
+			return $this->setError('msg_comment_blamed_cancel_not');
 		}
 		$point = -1;
 		$output = $this->updateVotedCountCancel($comment_srl, $oComment, $point);
@@ -193,13 +193,13 @@ class commentController extends comment
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$comment_srl = Context::get('target_srl');
 		if(!$comment_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// if an user select message from options, message would be the option.
@@ -226,7 +226,7 @@ class commentController extends comment
 		$document_srl = $obj->document_srl;
 		if(!$document_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		return $this->deleteComments($document_srl, $obj);
@@ -241,7 +241,7 @@ class commentController extends comment
 		$module_srl = $obj->module_srl;
 		if(!$module_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$oCommentController = getAdminController('comment');
@@ -1622,13 +1622,13 @@ class commentController extends comment
 			$module_info = $oModuleModel->getModuleInfoByModuleSrl($srl);
 			if (!$module_info->module_srl)
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			
 			$module_grant = $oModuleModel->getGrant($module_info, $logged_info);
 			if (!$module_grant->manager)
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 			
 			$module_srl[] = $srl;
@@ -1692,7 +1692,7 @@ class commentController extends comment
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		$commentSrls = Context::get('comment_srls');
diff --git a/modules/comment/comment.model.php b/modules/comment/comment.model.php
index 9130c2a2c..861bf2e22 100644
--- a/modules/comment/comment.model.php
+++ b/modules/comment/comment.model.php
@@ -976,7 +976,7 @@ class commentModel extends comment
 		$comment_srl = Context::get('comment_srl');
 		if(!$comment_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$point = Context::get('point');
@@ -990,7 +990,7 @@ class commentModel extends comment
 		$module_srl = $oComment->get('module_srl');
 		if(!$module_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oModuleModel = getModel('module');
@@ -1002,7 +1002,7 @@ class commentModel extends comment
 		{
 			if($comment_config->use_vote_down != 'S')
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 
 			$args->below_point = 0;
@@ -1011,7 +1011,7 @@ class commentModel extends comment
 		{
 			if($comment_config->use_vote_up != 'S')
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 
 			$args->more_point = 0;
diff --git a/modules/comment/comment.view.php b/modules/comment/comment.view.php
index 498a1f86f..c19d142cf 100644
--- a/modules/comment/comment.view.php
+++ b/modules/comment/comment.view.php
@@ -82,12 +82,12 @@ class commentView extends comment
 		$oComment = $oCommentModel->getComment($comment_srl);
 		if(!$oComment->isExists())
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		// Check permissions
 		if(!$oComment->isAccessible())
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		// Browser title settings
diff --git a/modules/communication/communication.class.php b/modules/communication/communication.class.php
index 780133987..ba79041a6 100644
--- a/modules/communication/communication.class.php
+++ b/modules/communication/communication.class.php
@@ -30,8 +30,6 @@ class communication extends ModuleObject
 
 		// Create a temporary file storage for one new private message notification
 		FileHandler::makeDir('./files/member_extra_info/new_message_flags');
-		
-		return new BaseObject();
 	}
 
 	/**
@@ -96,8 +94,6 @@ class communication extends ModuleObject
 		{
 			FileHandler::makeDir('./files/member_extra_info/new_message_flags');
 		}
-		
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/communication/communication.controller.php b/modules/communication/communication.controller.php
index 583fb514a..8ed94ee51 100644
--- a/modules/communication/communication.controller.php
+++ b/modules/communication/communication.controller.php
@@ -24,7 +24,7 @@ class communicationController extends communication
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$args = new stdClass();
@@ -54,7 +54,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -63,19 +63,19 @@ class communicationController extends communication
 		$receiver_srl = Context::get('receiver_srl');
 		if(!$receiver_srl)
 		{
-			return new BaseObject(-1, 'msg_not_exists_member');
+			return $this->setError('msg_not_exists_member');
 		}
 
 		$title = trim(Context::get('title'));
 		if(!$title)
 		{
-			return new BaseObject(-1, 'msg_title_is_null');
+			return $this->setError('msg_title_is_null');
 		}
 
 		$content = trim(Context::get('content'));
 		if(!$content)
 		{
-			return new BaseObject(-1, 'msg_content_is_null');
+			return $this->setError('msg_content_is_null');
 		}
 
 		$send_mail = Context::get('send_mail');
@@ -91,13 +91,13 @@ class communicationController extends communication
 
 		if(!$oCommunicationModel->checkGrant($config->grant_send))
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		$receiver_member_info = $oMemberModel->getMemberInfoByMemberSrl($receiver_srl);
 		if($receiver_member_info->member_srl != $receiver_srl)
 		{
-			return new BaseObject(-1, 'msg_not_exists_member');
+			return $this->setError('msg_not_exists_member');
 		}
 
 		// check whether to allow to receive the message(pass if a top-administrator)
@@ -107,12 +107,12 @@ class communicationController extends communication
 			{
 				if(!$oCommunicationModel->isFriend($receiver_member_info->member_srl))
 				{
-					return new BaseObject(-1, 'msg_allow_message_to_friend');
+					return $this->setError('msg_allow_message_to_friend');
 				}
 			}
 			else if($receiver_member_info->allow_message == 'N')
 			{
-				return new BaseObject(-1, 'msg_disallow_message');
+				return $this->setError('msg_disallow_message');
 			}
 		}
 
@@ -269,7 +269,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 		$logged_info = Context::get('logged_info');
 
@@ -277,7 +277,7 @@ class communicationController extends communication
 		$message_srl = Context::get('message_srl');
 		if(!$message_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// get the message
@@ -285,7 +285,7 @@ class communicationController extends communication
 		$message = $oCommunicationModel->getSelectedMessage($message_srl);
 		if(!$message || $message->message_type != 'R')
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$args = new stdClass();
@@ -309,7 +309,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -319,7 +319,7 @@ class communicationController extends communication
 		$message_srl = Context::get('message_srl');
 		if(!$message_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// Get the message
@@ -327,7 +327,7 @@ class communicationController extends communication
 		$message = $oCommunicationModel->getSelectedMessage($message_srl);
 		if(!$message)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// Check the grant
@@ -336,14 +336,14 @@ class communicationController extends communication
 			case 'S':
 				if($message->sender_srl != $member_srl)
 				{
-					return new BaseObject(-1, 'msg_invalid_request');
+					return $this->setError('msg_invalid_request');
 				}
 				break;
 
 			case 'R':
 				if($message->receiver_srl != $member_srl)
 				{
-					return new BaseObject(-1, 'msg_invalid_request');
+					return $this->setError('msg_invalid_request');
 				}
 				break;
 		}
@@ -369,7 +369,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -378,7 +378,7 @@ class communicationController extends communication
 		// check variables
 		if(!Context::get('message_srl_list'))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		$message_srl_list = Context::get('message_srl_list');
@@ -389,13 +389,13 @@ class communicationController extends communication
 
 		if(!count($message_srl_list))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		$message_type = Context::get('message_type');
 		if(!$message_type || !in_array($message_type, array('R', 'S', 'T')))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$message_count = count($message_srl_list);
@@ -412,7 +412,7 @@ class communicationController extends communication
 		}
 		if(!count($target))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		// Delete
@@ -450,7 +450,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -458,11 +458,11 @@ class communicationController extends communication
 		$target_srl = (int) trim(Context::get('target_srl'));
 		if(!$target_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if($target_srl == $logged_info->member_srl)
 		{
-			return new BaseObject(-1, 'msg_no_self_friend');
+			return $this->setError('msg_no_self_friend');
 		}
 		
 		// Check duplicate friend
@@ -472,7 +472,7 @@ class communicationController extends communication
 		$output = executeQuery('communication.isAddedFriend', $args);
 		if($output->data->count)
 		{
-			return new BaseObject(-1, 'msg_already_friend');
+			return $this->setError('msg_already_friend');
 		}
 
 		// Variable
@@ -512,7 +512,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -521,7 +521,7 @@ class communicationController extends communication
 		$friend_srl_list = Context::get('friend_srl_list');
 		if(!$friend_srl_list)
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		if(!is_array($friend_srl_list))
@@ -531,7 +531,7 @@ class communicationController extends communication
 
 		if(!count($friend_srl_list))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		$friend_count = count($friend_srl_list);
@@ -549,7 +549,7 @@ class communicationController extends communication
 
 		if(!count($target))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		// Variables
@@ -579,7 +579,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -595,7 +595,7 @@ class communicationController extends communication
 
 		if(!count($friend_srl_list))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		$friend_count = count($friend_srl_list);
@@ -614,7 +614,7 @@ class communicationController extends communication
 
 		if(!count($target))
 		{
-			return new BaseObject(-1, 'msg_cart_is_null');
+			return $this->setError('msg_cart_is_null');
 		}
 
 		// Delete
@@ -642,7 +642,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -656,7 +656,7 @@ class communicationController extends communication
 
 		if(!$args->title)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// modify if friend_group_srl exists.
@@ -718,7 +718,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -732,7 +732,7 @@ class communicationController extends communication
 
 		if(!$args->title)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$output = executeQuery('communication.renameFriendGroup', $args);
@@ -753,7 +753,7 @@ class communicationController extends communication
 		// Check login information
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -831,7 +831,7 @@ class communicationController extends communication
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$oCommunicationModel = getModel('communication');
@@ -839,11 +839,11 @@ class communicationController extends communication
 		
 		if($config->enable_message == 'N' && $config->enable_friend == 'N')
 		{
-			return new BaseObject();
+			return;
 		}
 		if(!$oCommunicationModel->checkGrant($config->grant_send))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$mid = Context::get('cur_mid');
@@ -874,7 +874,7 @@ class communicationController extends communication
 			$target_member_info = $oMemberModel->getMemberInfoByMemberSrl($member_srl);
 			if(!$target_member_info->member_srl)
 			{
-				return new BaseObject();
+				return;
 			}
 
 			// Add a menu for sending message
diff --git a/modules/communication/communication.view.php b/modules/communication/communication.view.php
index da3921340..c16f1f654 100644
--- a/modules/communication/communication.view.php
+++ b/modules/communication/communication.view.php
@@ -52,13 +52,13 @@ class communicationView extends communication
 	{
 		if($this->config->enable_message == 'N')
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		// Error appears if not logged-in
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -86,28 +86,28 @@ class communicationView extends communication
 				case 'R':
 					if($message->receiver_srl != $logged_info->member_srl)
 					{
-						return new BaseObject(-1, 'msg_invalid_request');
+						return $this->setError('msg_invalid_request');
 					}
 					break;
 
 				case 'S':
 					if($message->sender_srl != $logged_info->member_srl)
 					{
-						return new BaseObject(-1, 'msg_invalid_request');
+						return $this->setError('msg_invalid_request');
 					}
 					break;
 
 				case 'T':
 					if($message->receiver_srl != $logged_info->member_srl && $message->sender_srl != $logged_info->member_srl)
 					{
-						return new BaseObject(-1, 'msg_invalid_request');
+						return $this->setError('msg_invalid_request');
 					}
 					break;
 
 				case 'N':
 					if($message->receiver_srl != $logged_info->member_srl)
 					{
-						return new BaseObject(-1, 'msg_invalid_request');
+						return $this->setError('msg_invalid_request');
 					}
 					break;
 			}
diff --git a/modules/counter/counter.class.php b/modules/counter/counter.class.php
index 7aa9122b8..cb2f9b3d9 100644
--- a/modules/counter/counter.class.php
+++ b/modules/counter/counter.class.php
@@ -22,8 +22,6 @@ class counter extends ModuleObject
 
 		// add a row for today's status
 		//$oCounterController->insertTodayStatus();
-
-		return new BaseObject();
 	}
 
 	/**
@@ -67,8 +65,6 @@ class counter extends ModuleObject
 		{
 			$oDB->addIndex('counter_log', 'idx_site_counter_log', array('site_srl', 'ipaddress'), FALSE);
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/document/document.admin.controller.php b/modules/document/document.admin.controller.php
index 7b421e900..70ca56fc8 100644
--- a/modules/document/document.admin.controller.php
+++ b/modules/document/document.admin.controller.php
@@ -557,7 +557,7 @@ class documentAdminController extends document
 		$eid = Context::get('eid');
 		$obj = new stdClass();
 
-		if(!$module_srl || !$name || !$eid) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl || !$name || !$eid) return $this->setError('msg_invalid_request');
 		// set the max value if idx is not specified
 		if(!$var_idx)
 		{
@@ -573,7 +573,7 @@ class documentAdminController extends document
 		$output = executeQuery('document.isExistsExtraKey', $obj);
 		if(!$output->toBool() || $output->data->count)
 		{
-			return new BaseObject(-1, 'msg_extra_name_exists');
+			return $this->setError('msg_extra_name_exists');
 		}
 
 		// insert or update
@@ -595,7 +595,7 @@ class documentAdminController extends document
 	{
 		$module_srl = Context::get('module_srl');
 		$var_idx = Context::get('var_idx');
-		if(!$module_srl || !$var_idx) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl || !$var_idx) return $this->setError('msg_invalid_request');
 
 		$oDocumentController = getController('document');
 		$output = $oDocumentController->deleteDocumentExtraKeys($module_srl, $var_idx);
@@ -614,26 +614,26 @@ class documentAdminController extends document
 		$module_srl = Context::get('module_srl');
 		$var_idx = Context::get('var_idx');
 
-		if(!$type || !$module_srl || !$var_idx) return new BaseObject(-1,'msg_invalid_request');
+		if(!$type || !$module_srl || !$var_idx) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
-		if(!$module_info->module_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_info->module_srl) return $this->setError('msg_invalid_request');
 
 		$oDocumentModel = getModel('document');
 		$extra_keys = $oDocumentModel->getExtraKeys($module_srl);
-		if(!$extra_keys[$var_idx]) return new BaseObject(-1,'msg_invalid_request');
+		if(!$extra_keys[$var_idx]) return $this->setError('msg_invalid_request');
 
 		if($type == 'up') $new_idx = $var_idx-1;
 		else $new_idx = $var_idx+1;
-		if($new_idx<1) return new BaseObject(-1,'msg_invalid_request');
+		if($new_idx<1) return $this->setError('msg_invalid_request');
 
 		$args = new stdClass();
 		$args->module_srl = $module_srl;
 		$args->var_idx = $new_idx;
 		$output = executeQuery('document.getDocumentExtraKeys', $args);
 		if (!$output->toBool()) return $output;
-		if (!$output->data) return new BaseObject(-1, 'msg_invalid_request');
+		if (!$output->data) return $this->setError('msg_invalid_request');
 		unset($args);
 
 		// update immediately if there is no idx to change
@@ -737,7 +737,7 @@ class documentAdminController extends document
 		$member_info = $oMemberModel->getMemberInfoByMemberSrl($oDocument->get('member_srl'));
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return new BaseObject(-1, 'msg_admin_document_no_move_to_trash');
+			return $this->setError('msg_admin_document_no_move_to_trash');
 		}
 
 		$oModuleModel = getModel('module');
@@ -882,7 +882,7 @@ class documentAdminController extends document
 
 		//DB restore
 		$output = $oDocumentController->insertDocument($originObject, false, true, false);
-		if(!$output->toBool()) return new BaseObject(-1, $output->getMessage());
+		if(!$output->toBool()) return $this->setError($output->getMessage());
 
 		//FILE restore
 		$oDocument = $oDocumentModel->getDocument($originObject->document_srl);
diff --git a/modules/document/document.class.php b/modules/document/document.class.php
index 451e7b323..2d6f17693 100644
--- a/modules/document/document.class.php
+++ b/modules/document/document.class.php
@@ -47,8 +47,6 @@ class document extends ModuleObject
 
 		// 2009. 01. 29 Added a trigger for additional setup
 		$oModuleController->insertTrigger('module.dispAdditionSetup', 'document', 'view', 'triggerDispDocumentAdditionSetup', 'before');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -341,8 +339,6 @@ class document extends ModuleObject
 			$oDB->addColumn('document_update_log', 'is_admin', 'varchar', 1);
 			$oDB->addIndex('document_update_log', 'idx_is_admin', array('is_admin'));
 		}
-
-		return new BaseObject(0,'success_updated');
 	}
 
 	/**
diff --git a/modules/document/document.controller.php b/modules/document/document.controller.php
index 7ae90be0c..1129d9db9 100644
--- a/modules/document/document.controller.php
+++ b/modules/document/document.controller.php
@@ -28,21 +28,21 @@ class documentController extends document
 		{
 			if(!Context::get('is_logged'))
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 		}
 
 		$document_srl = Context::get('target_srl');
-		if(!$document_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 
 		$oDocumentModel = getModel('document');
 		$oDocument = $oDocumentModel->getDocument($document_srl, false, false);
 		$module_srl = $oDocument->get('module_srl');
-		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$module_srl) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$document_config = $oModuleModel->getModulePartConfig('document',$module_srl);
-		if($document_config->use_vote_up=='N') return new BaseObject(-1, 'msg_invalid_request');
+		if($document_config->use_vote_up=='N') return $this->setError('msg_invalid_request');
 
 		$point = 1;
 		$output = $this->updateVotedCount($document_srl, $point);
@@ -60,18 +60,18 @@ class documentController extends document
 		{
 			if(!Context::get('is_logged'))
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 		}
 
 		$document_srl = Context::get('target_srl');
-		if(!$document_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 
 		$oDocumentModel = getModel('document');
 		$oDocument = $oDocumentModel->getDocument($document_srl, false, false);
 		if($oDocument->get('voted_count') <= 0)
 		{
-			return new BaseObject(-1, 'msg_document_voted_cancel_not');
+			return $this->setError('msg_document_voted_cancel_not');
 		}
 		$point = 1;
 		$output = $this->updateVotedCountCancel($document_srl, $oDocument, $point);
@@ -114,21 +114,21 @@ class documentController extends document
 		{
 			if(!Context::get('is_logged'))
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 		}
 
 		$document_srl = Context::get('target_srl');
-		if(!$document_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 
 		$oDocumentModel = getModel('document');
 		$oDocument = $oDocumentModel->getDocument($document_srl, false, false);
 		$module_srl = $oDocument->get('module_srl');
-		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$module_srl) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$document_config = $oModuleModel->getModulePartConfig('document',$module_srl);
-		if($document_config->use_vote_down=='N') return new BaseObject(-1, 'msg_invalid_request');
+		if($document_config->use_vote_down=='N') return $this->setError('msg_invalid_request');
 
 		$point = -1;
 		$output = $this->updateVotedCount($document_srl, $point);
@@ -146,18 +146,18 @@ class documentController extends document
 		{
 			if(!Context::get('is_logged'))
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 		}
 
 		$document_srl = Context::get('target_srl');
-		if(!$document_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 
 		$oDocumentModel = getModel('document');
 		$oDocument = $oDocumentModel->getDocument($document_srl, false, false);
 		if($oDocument->get('blamed_count') >= 0)
 		{
-			return new BaseObject(-1, 'msg_document_voted_cancel_not');
+			return $this->setError('msg_document_voted_cancel_not');
 		}
 		$point = -1;
 		$output = $this->updateVotedCountCancel($document_srl, $oDocument, $point);
@@ -229,13 +229,13 @@ class documentController extends document
 	{
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$document_srl = intval(Context::get('target_srl'));
 		if(!$document_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// if an user select message from options, message would be the option.
@@ -302,7 +302,7 @@ class documentController extends document
 	function triggerDeleteModuleDocuments(&$obj)
 	{
 		$module_srl = $obj->module_srl;
-		if(!$module_srl) return new BaseObject();
+		if(!$module_srl) return;
 		// Delete the document
 		$oDocumentAdminController = getAdminController('document');
 		$output = $oDocumentAdminController->deleteModuleDocument($module_srl);
@@ -319,8 +319,6 @@ class documentController extends document
 
 		// remove histories
 		$this->deleteDocumentHistory(null, null, $module_srl);
-
-		return new BaseObject();
 	}
 
 	/**
@@ -490,7 +488,7 @@ class documentController extends document
 		if($logged_info->is_admin != 'Y') $obj->content = removeHackTag($obj->content);
 
 		// An error appears if both log-in info and user name don't exist.
-		if(!$logged_info->member_srl && !$obj->nick_name) return new BaseObject(-1,'msg_invalid_request');
+		if(!$logged_info->member_srl && !$obj->nick_name) return new BaseObject(-1, 'msg_invalid_request');
 
 		// Fix encoding of non-BMP UTF-8 characters.
 		$obj->title = utf8_mbencode($obj->title);
@@ -581,7 +579,7 @@ class documentController extends document
 			return new BaseObject(-1, 'msg_invalid_request');
 		}
 		
-		if(!$source_obj->document_srl || !$obj->document_srl) return new BaseObject(-1,'msg_invalied_request');
+		if(!$source_obj->document_srl || !$obj->document_srl) return new BaseObject(-1, 'msg_invalied_request');
 		
 		// Default Status
 		if($obj->status)
@@ -1245,7 +1243,7 @@ class documentController extends document
 	 */
 	function insertDocumentExtraKey($module_srl, $var_idx, $var_name, $var_type, $var_is_required = 'N', $var_search = 'N', $var_default = '', $var_desc = '', $eid)
 	{
-		if(!$module_srl || !$var_idx || !$var_name || !$var_type || !$eid) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl || !$var_idx || !$var_name || !$var_type || !$eid) return new BaseObject(-1, 'msg_invalid_request');
 
 		$obj = new stdClass();
 		$obj->module_srl = $module_srl;
@@ -1282,7 +1280,7 @@ class documentController extends document
 	 */
 	function deleteDocumentExtraKeys($module_srl, $var_idx = null)
 	{
-		if(!$module_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
 		$obj = new stdClass();
 		$obj->module_srl = $module_srl;
 		if(!is_null($var_idx)) $obj->var_idx = $var_idx;
@@ -1342,7 +1340,7 @@ class documentController extends document
 	 */
 	function insertDocumentExtraVar($module_srl, $document_srl, $var_idx, $value, $eid = null, $lang_code = '')
 	{
-		if(!$module_srl || !$document_srl || !$var_idx || !isset($value)) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl || !$document_srl || !$var_idx || !isset($value)) return new BaseObject(-1, 'msg_invalid_request');
 		if(!$lang_code) $lang_code = Context::getLangType();
 
 		$obj = new stdClass;
@@ -1843,9 +1841,9 @@ class documentController extends document
 			$prev_category = $val;
 		}
 		// Return if the previous category doesn't exist
-		if(!$prev_category) return new BaseObject(-1,lang('msg_category_not_moved'));
+		if(!$prev_category) return new BaseObject(-1, 'msg_category_not_moved');
 		// Return if the selected category is the top level
-		if($category_srl_list[0]==$category_srl) return new BaseObject(-1,lang('msg_category_not_moved'));
+		if($category_srl_list[0]==$category_srl) return new BaseObject(-1, 'msg_category_not_moved');
 		// Information of the selected category
 		$cur_args = new stdClass;
 		$cur_args->category_srl = $category_srl;
@@ -1889,7 +1887,7 @@ class documentController extends document
 		}
 
 		$next_category_srl = $category_srl_list[$i+1];
-		if(!$category_list[$next_category_srl]) return new BaseObject(-1,lang('msg_category_not_moved'));
+		if(!$category_list[$next_category_srl]) return new BaseObject(-1, 'msg_category_not_moved');
 		$next_category = $category_list[$next_category_srl];
 		// Information of the selected category
 		$cur_args = new stdClass;
@@ -1969,7 +1967,7 @@ class documentController extends document
 		$columnList = array('module_srl', 'module');
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($args->module_srl, $columnList);
 		$grant = $oModuleModel->getGrant($module_info, Context::get('logged_info'));
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return new BaseObject(-1, 'msg_not_permitted');
 
 		if($args->expand !="Y") $args->expand = "N";
 		if(!is_array($args->group_srls)) $args->group_srls = str_replace('|@|',',',$args->group_srls);
@@ -2039,7 +2037,7 @@ class documentController extends document
 		$columnList = array('module_srl', 'module');
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($source_category->module_srl, $columnList);
 		$grant = $oModuleModel->getGrant($module_info, Context::get('logged_info'));
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return new BaseObject(-1, 'msg_not_permitted');
 
 		// First child of the parent_category_srl
 		$source_args = new stdClass;
@@ -2100,7 +2098,7 @@ class documentController extends document
 		$columnList = array('module_srl', 'module');
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($args->module_srl, $columnList);
 		$grant = $oModuleModel->getGrant($module_info, Context::get('logged_info'));
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return new BaseObject(-1, 'msg_not_permitted');
 
 		$oDocumentModel = getModel('document');
 		// Get original information
@@ -2141,7 +2139,7 @@ class documentController extends document
 		$columnList = array('module_srl', 'module');
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl, $columnList);
 		$grant = $oModuleModel->getGrant($module_info, Context::get('logged_info'));
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return new BaseObject(-1, 'msg_not_permitted');
 
 		$xml_file = $this->makeCategoryFile($module_srl);
 		// Set return value
@@ -2466,7 +2464,7 @@ class documentController extends document
 	 */
 	function procDocumentAddCart()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 
 		// Get document_srl
 		$srls = explode(',',Context::get('srls'));
@@ -2540,7 +2538,7 @@ class documentController extends document
 	function procDocumentManageCheckedDocument()
 	{
 		@set_time_limit(0);
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		$logged_info = Context::get('logged_info');
 
 		// Get request parameters.
@@ -2596,13 +2594,13 @@ class documentController extends document
 			$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
 			if (!$module_info->module_srl)
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			
 			$module_grant = $oModuleModel->getGrant($module_info, $logged_info);
 			if (!$module_grant->manager)
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 		}
 		
@@ -2612,22 +2610,22 @@ class documentController extends document
 
 		if($type == 'move')
 		{
-			if(!$target_module_srl) return new BaseObject(-1, 'fail_to_move');
+			if(!$target_module_srl) return $this->setError('fail_to_move');
 
 			$oDocumentAdminController = getAdminController('document');
 			$output = $oDocumentAdminController->moveDocumentModule($document_srl_list, $target_module_srl, $target_category_srl);
-			if(!$output->toBool()) return new BaseObject(-1, 'fail_to_move');
+			if(!$output->toBool()) return $this->setError('fail_to_move');
 
 			$msg_code = 'success_moved';
 
 		}
 		else if($type == 'copy')
 		{
-			if(!$target_module_srl) return new BaseObject(-1, 'fail_to_move');
+			if(!$target_module_srl) return $this->setError('fail_to_move');
 
 			$oDocumentAdminController = getAdminController('document');
 			$output = $oDocumentAdminController->copyDocumentModule($document_srl_list, $target_module_srl, $target_category_srl);
-			if(!$output->toBool()) return new BaseObject(-1, 'fail_to_move');
+			if(!$output->toBool()) return $this->setError('fail_to_move');
 
 			$msg_code = 'success_copied';
 		}
@@ -2638,7 +2636,7 @@ class documentController extends document
 			foreach ($document_srl_list as $document_srl)
 			{
 				$output = $this->deleteDocument($document_srl, true);
-				if(!$output->toBool()) return new BaseObject(-1, 'fail_to_delete');
+				if(!$output->toBool()) return $this->setError('fail_to_delete');
 			}
 			$oDB->commit();
 			$msg_code = 'success_deleted';
@@ -2654,7 +2652,7 @@ class documentController extends document
 			{
 				$args->document_srl = $document_srl;
 				$output = $this->moveDocumentToTrash($args);
-				if(!$output || !$output->toBool()) return new BaseObject(-1, 'fail_to_trash');
+				if(!$output || !$output->toBool()) return $this->setError('fail_to_trash');
 			}
 			$oDB->commit();
 			$msg_code = 'success_trashed';
@@ -2712,13 +2710,13 @@ class documentController extends document
 			$module_info = $oModuleModel->getModuleInfoByModuleSrl($srl);
 			if (!$module_info->module_srl)
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			
 			$module_grant = $oModuleModel->getGrant($module_info, $logged_info);
 			if (!$module_grant->manager)
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 			
 			$module_srl[] = $srl;
@@ -2757,7 +2755,7 @@ class documentController extends document
 	{
 		if(!$this->module_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		$obj = Context::getRequestVars();
@@ -2780,12 +2778,12 @@ class documentController extends document
 		{
 			if(!$oDocument->isGranted())
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			
 			if($oDocument->get('status') != $this->getConfigStatus('temp'))
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			
 			$output = $this->updateDocument($oDocument, $obj);
@@ -2817,7 +2815,7 @@ class documentController extends document
 	 */
 	function procDocumentGetList()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		$documentSrls = Context::get('document_srls');
 		if($documentSrls) $documentSrlList = explode(',', $documentSrls);
 
diff --git a/modules/document/document.model.php b/modules/document/document.model.php
index c7ff2ee0d..81eaf2085 100644
--- a/modules/document/document.model.php
+++ b/modules/document/document.model.php
@@ -39,7 +39,7 @@ class documentModel extends document
 	{
 		if(!is_array($documentSrls) || count($documentSrls) == 0)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$args = new stdClass();
@@ -508,7 +508,7 @@ class documentModel extends document
 			$oDocument = $oDocumentModel->getDocument($document_srl, false, false, $columnList);
 			$module_srl = $oDocument->get('module_srl');
 			$member_srl = $oDocument->get('member_srl');
-			if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
+			if(!$module_srl) return $this->setError('msg_invalid_request');
 
 			$oModuleModel = getModel('module');
 			$document_config = $oModuleModel->getModulePartConfig('document',$module_srl);
@@ -915,7 +915,7 @@ class documentModel extends document
 	 */
 	function getDocumentCategories()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		$module_srl = Context::get('module_srl');
 		$categories= $this->getCategoryList($module_srl);
 		$lang = Context::get('lang');
@@ -1010,13 +1010,13 @@ class documentModel extends document
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
 		// Check permissions
 		$grant = $oModuleModel->getGrant($module_info, Context::get('logged_info'));
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return $this->setError('msg_not_permitted');
 
 		$category_srl = Context::get('category_srl');
 		$category_info = $this->getCategory($category_srl);
 		if(!$category_info)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$this->add('category_info', $category_info);
@@ -1198,7 +1198,7 @@ class documentModel extends document
 	{
 		$args = new stdClass;
 		$document_srl = Context::get('document_srl');
-		if(!$document_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 
 		$point = Context::get('point');
 		if($point != -1) $point = 1;
@@ -1207,18 +1207,18 @@ class documentModel extends document
 		$columnList = array('document_srl', 'module_srl');
 		$oDocument = $oDocumentModel->getDocument($document_srl, false, false, $columnList);
 		$module_srl = $oDocument->get('module_srl');
-		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$module_srl) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$document_config = $oModuleModel->getModulePartConfig('document',$module_srl);
 		if($point == -1)
 		{
-			if($document_config->use_vote_down!='S') return new BaseObject(-1, 'msg_invalid_request');
+			if($document_config->use_vote_down!='S') return $this->setError('msg_invalid_request');
 			$args->below_point = 0;
 		}
 		else
 		{
-			if($document_config->use_vote_up!='S') return new BaseObject(-1, 'msg_invalid_request');
+			if($document_config->use_vote_up!='S') return $this->setError('msg_invalid_request');
 			$args->more_point = 0;
 		}
 
diff --git a/modules/document/document.view.php b/modules/document/document.view.php
index 33227fdff..a7aac9c9d 100644
--- a/modules/document/document.view.php
+++ b/modules/document/document.view.php
@@ -36,9 +36,9 @@ class documentView extends document
 		$oDocumentModel = getModel('document');
 		// Creates an object for displaying the selected document
 		$oDocument = $oDocumentModel->getDocument($document_srl, $this->grant->manager);
-		if(!$oDocument->isExists()) return new BaseObject(-1,'msg_invalid_request');
+		if(!$oDocument->isExists()) return $this->setError('msg_invalid_request');
 		// Check permissions
-		if(!$oDocument->isAccessible()) return new BaseObject(-1,'msg_not_permitted');
+		if(!$oDocument->isAccessible()) return $this->setError('msg_not_permitted');
 		// Information setting module
 		//Context::set('module_info', $module_info);	//module_info not use in UI
 		// Browser title settings
@@ -58,7 +58,7 @@ class documentView extends document
 	{
 		if(!checkCSRF())
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		} 
 		
 		$content = Context::get('content');
@@ -87,7 +87,7 @@ class documentView extends document
 	 */
 	function dispDocumentManageDocument()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		// Taken from a list of selected sessions
 		$flag_list = $_SESSION['document_management'];
 		if(count($flag_list))
@@ -215,12 +215,12 @@ class documentView extends document
 		$oDocument = $oDocumentModel->getDocument($document_srl, $this->grant->manager, FALSE);
 		if(!$oDocument->isExists())
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		// Check permissions
 		if(!$oDocument->isAccessible())
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		// Browser title settings
diff --git a/modules/editor/editor.admin.controller.php b/modules/editor/editor.admin.controller.php
index 9b0d0724c..39def4e0b 100644
--- a/modules/editor/editor.admin.controller.php
+++ b/modules/editor/editor.admin.controller.php
@@ -251,7 +251,7 @@ class editorAdminController extends editor
 		// Check if the component exists
 		if(!$site_srl) $output = executeQuery('editor.isComponentInserted', $args);
 		else $output = executeQuery('editor.isSiteComponentInserted', $args);
-		if($output->data->count) return new BaseObject(-1, 'msg_component_is_not_founded');
+		if($output->data->count) return $this->setError('msg_component_is_not_founded');
 		// Inert a component
 		$args->list_order = getNextSequence();
 		if(!$site_srl) $output = executeQuery('editor.insertComponent', $args);
diff --git a/modules/editor/editor.class.php b/modules/editor/editor.class.php
index 4919bdd0f..4aff3dc22 100644
--- a/modules/editor/editor.class.php
+++ b/modules/editor/editor.class.php
@@ -83,8 +83,6 @@ class editor extends ModuleObject
 		$oModuleController->insertTrigger('module.dispAdditionSetup', 'editor', 'view', 'triggerDispEditorAdditionSetup', 'before');
 		// 2009. 04. 14 Add a trigger from compiled codes of the editor component
 		$oModuleController->insertTrigger('display', 'editor', 'controller', 'triggerEditorComponentCompile', 'before');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -151,8 +149,6 @@ class editor extends ModuleObject
 		{
 			$oModuleController->insertTrigger('module.procModuleAdminCopyModule', 'editor', 'controller', 'triggerCopyModule', 'after');
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/editor/editor.controller.php b/modules/editor/editor.controller.php
index 61c58ecdf..7f321297b 100644
--- a/modules/editor/editor.controller.php
+++ b/modules/editor/editor.controller.php
@@ -47,18 +47,18 @@ class editorController extends editor
 	{
 		$component = Context::get('component');
 		$method = Context::get('method');
-		if(!$component) return new BaseObject(-1, sprintf(lang('msg_component_is_not_founded'), $component));
+		if(!$component) return $this->setError('msg_component_is_not_founded', $component);
 
 		$oEditorModel = getModel('editor');
 		$oComponent = &$oEditorModel->getComponentObject($component);
 		if(!$oComponent->toBool()) return $oComponent;
 
-		if(!method_exists($oComponent, $method)) return new BaseObject(-1, sprintf(lang('msg_component_is_not_founded'), $component));
+		if(!method_exists($oComponent, $method)) return $this->setError('msg_component_is_not_founded', $component);
 
 		//$output = call_user_method($method, $oComponent);
 		//$output = call_user_func(array($oComponent, $method));
 		if(method_exists($oComponent, $method)) $output = $oComponent->{$method}();
-		else return new BaseObject(-1,sprintf('%s method is not exists', $method));
+		else return $this->setError('%s method is not exists', $method);
 
 		if($output instanceof Object && !$output->toBool()) return $output;
 
@@ -93,13 +93,13 @@ class editorController extends editor
 			$module_info = $oModuleModel->getModuleInfoByModuleSrl($srl);
 			if (!$module_info->module_srl)
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			
 			$module_grant = $oModuleModel->getGrant($module_info, $logged_info);
 			if (!$module_grant->manager)
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 			
 			$module_srl[] = $srl;
@@ -171,7 +171,7 @@ class editorController extends editor
 	 */
 	function triggerEditorComponentCompile(&$content)
 	{
-		if(Context::getResponseMethod()!='HTML') return new BaseObject();
+		if(Context::getResponseMethod() !== 'HTML') return;
 
 		$module_info = Context::get('module_info');
 		$module_srl = $module_info->module_srl;
@@ -253,7 +253,6 @@ class editorController extends editor
 		}
 
 		$content = $this->transComponent($content);
-		return new BaseObject();
 	}
 
 	/**
@@ -350,7 +349,6 @@ class editorController extends editor
 	function triggerDeleteSavedDoc(&$obj)
 	{
 		$this->deleteSavedDoc(false);
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/editor/editor.model.php b/modules/editor/editor.model.php
index 4b70f2e40..4990aaccb 100644
--- a/modules/editor/editor.model.php
+++ b/modules/editor/editor.model.php
@@ -466,11 +466,11 @@ class editorModel extends editor
 			// Create an object of the component and execute
 			$class_path = sprintf('%scomponents/%s/', $this->module_path, $component);
 			$class_file = sprintf('%s%s.class.php', $class_path, $component);
-			if(!file_exists($class_file)) return new BaseObject(-1, sprintf(lang('msg_component_is_not_founded'), $component));
+			if(!file_exists($class_file)) return $this->setError('msg_component_is_not_founded', $component);
 			// Create an object after loading the class file
 			require_once($class_file);
 			$oComponent = new $component($editor_sequence, $class_path);
-			if(!$oComponent) return new BaseObject(-1, sprintf(lang('msg_component_is_not_founded'), $component));
+			if(!$oComponent) return $this->setError('msg_component_is_not_founded', $component);
 			// Add configuration information
 			$component_info = $this->getComponent($component, $site_srl);
 			$oComponent->setInfo($component_info);
diff --git a/modules/file/file.admin.controller.php b/modules/file/file.admin.controller.php
index 7574d76f3..329042ef1 100644
--- a/modules/file/file.admin.controller.php
+++ b/modules/file/file.admin.controller.php
@@ -105,7 +105,7 @@ class fileAdminController extends file
 		{
 			if ($config->allowed_filesize > 2047 || $config->allowed_attach_size > 2047)
 			{
-				return new BaseObject(-1, 'msg_32bit_max_2047mb');
+				return $this->setError('msg_32bit_max_2047mb');
 			}
 		}
 		
@@ -154,7 +154,7 @@ class fileAdminController extends file
 		{
 			if ($file_config->allowed_filesize > 2047 || $file_config->allowed_attach_size > 2047)
 			{
-				return new BaseObject(-1, 'msg_32bit_max_2047mb');
+				return $this->setError('msg_32bit_max_2047mb');
 			}
 		}
 		
diff --git a/modules/file/file.class.php b/modules/file/file.class.php
index ae5fa4c14..2bc3a535a 100644
--- a/modules/file/file.class.php
+++ b/modules/file/file.class.php
@@ -42,8 +42,6 @@ class file extends ModuleObject
 		$oModuleController->insertTrigger('module.deleteModule', 'file', 'controller', 'triggerDeleteModuleFiles', 'after');
 		// 2007. 10. 19 Call a trigger to set up the file permissions before displaying
 		$oModuleController->insertTrigger('module.dispAdditionSetup', 'file', 'view', 'triggerDispFileAdditionSetup', 'before');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -142,8 +140,6 @@ class file extends ModuleObject
 		}
 
 		if(!$oDB->isColumnExists('files', 'cover_image')) $oDB->addColumn('files', 'cover_image', 'char', '1', 'N');
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/file/file.controller.php b/modules/file/file.controller.php
index e69250419..994600928 100644
--- a/modules/file/file.controller.php
+++ b/modules/file/file.controller.php
@@ -39,7 +39,7 @@ class fileController extends file
 		// Exit a session if there is neither upload permission nor information
 		if(!$_SESSION['upload_info'][$editor_sequence]->enabled)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		// Get upload_target_srl
@@ -63,7 +63,7 @@ class fileController extends file
 			$total_size = intval($matches[3]);
 			if ($chunk_start < 0 || $chunk_size < 0 || $total_size < 0 || $chunk_start + $chunk_size > $total_size || $chunk_size != $file_info['size'])
 			{
-				return new BaseObject(-1, 'msg_upload_invalid_chunk');
+				return $this->setError('msg_upload_invalid_chunk');
 			}
 			$this->add('chunk_current_size', $chunk_size);
 			$this->add('chunk_uploaded_size', $chunk_start);
@@ -76,13 +76,13 @@ class fileController extends file
 			{
 				Rhymix\Framework\Storage::delete($temp_filename);
 				$this->add('chunk_status', 11);
-				return new BaseObject(-1, 'msg_upload_invalid_chunk');
+				return $this->setError('msg_upload_invalid_chunk');
 			}
 			if ($chunk_start != 0 && (!Rhymix\Framework\Storage::isFile($temp_filename) || Rhymix\Framework\Storage::getSize($temp_filename) != $chunk_start))
 			{
 				Rhymix\Framework\Storage::delete($temp_filename);
 				$this->add('chunk_status', 12);
-				return new BaseObject(-1, 'msg_upload_invalid_chunk');
+				return $this->setError('msg_upload_invalid_chunk');
 			}
 			
 			// Check size limit
@@ -95,13 +95,13 @@ class fileController extends file
 				if ($total_size > $allowed_filesize)
 				{
 					$this->add('chunk_status', 21);
-					return new BaseObject(-1, 'msg_exceeds_limit_size');
+					return $this->setError('msg_exceeds_limit_size');
 				}
 				$output = executeQuery('file.getAttachedFileSize', (object)array('upload_target_srl' => $upload_target_srl));
 				if (intval($output->data->attached_size) + $total_size > $allowed_attach_size)
 				{
 					$this->add('chunk_status', 22);
-					return new BaseObject(-1, 'msg_exceeds_limit_size');
+					return $this->setError('msg_exceeds_limit_size');
 				}
 			}
 			
@@ -119,14 +119,14 @@ class fileController extends file
 				}
 				else
 				{
-					return new BaseObject();
+					return;
 				}
 			}
 			else
 			{
 				Rhymix\Framework\Storage::delete($temp_filename);
 				$this->add('chunk_status', 40);
-				return new BaseObject(-1, 'msg_upload_invalid_chunk');
+				return $this->setError('msg_upload_invalid_chunk');
 			}
 		}
 		else
@@ -207,14 +207,14 @@ class fileController extends file
 
 		if(!$file_srl || !$width)
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oFileModel = getModel('file');
 		$fileInfo = $oFileModel->getFile($file_srl);
 		if(!$fileInfo || $fileInfo->direct_download != 'Y')
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$source_src = $fileInfo->uploaded_filename;
@@ -230,7 +230,7 @@ class fileController extends file
 		}
 		else
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$this->add('resized_info',$output);
@@ -271,7 +271,7 @@ class fileController extends file
 	{
 		$oFileModel = getModel('file');
 
-		if(isset($this->grant->access) && $this->grant->access !== true) return new BaseObject(-1, 'msg_not_permitted');
+		if(isset($this->grant->access) && $this->grant->access !== true) return $this->setError('msg_not_permitted');
 
 		$file_srl = Context::get('file_srl');
 		$sid = Context::get('sid');
@@ -554,11 +554,11 @@ class fileController extends file
 	 */
 	function procFileGetList()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		$logged_info = Context::get('logged_info');
 		if($logged_info->is_admin !== 'Y' && !getModel('module')->isSiteAdmin($logged_info))
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		$fileSrls = Context::get('file_srls');
@@ -598,12 +598,12 @@ class fileController extends file
 	function triggerCheckAttached(&$obj)
 	{
 		$document_srl = $obj->document_srl;
-		if(!$document_srl) return new BaseObject();
+		if(!$document_srl) return;
+		
 		// Get numbers of attachments
 		$oFileModel = getModel('file');
 		$obj->uploaded_count = $oFileModel->getFilesCount($document_srl);
-
-		return new BaseObject();
+		// TODO: WTF are we doing with uploaded_count anyway?
 	}
 
 	/**
@@ -615,12 +615,10 @@ class fileController extends file
 	function triggerAttachFiles(&$obj)
 	{
 		$document_srl = $obj->document_srl;
-		if(!$document_srl) return new BaseObject();
+		if(!$document_srl) return;
 
 		$output = $this->setFilesValid($document_srl);
 		if(!$output->toBool()) return $output;
-
-		return new BaseObject();
 	}
 
 	/**
@@ -632,7 +630,7 @@ class fileController extends file
 	function triggerDeleteAttached(&$obj)
 	{
 		$document_srl = $obj->document_srl;
-		if(!$document_srl) return new BaseObject();
+		if(!$document_srl) return;
 
 		$output = $this->deleteFiles($document_srl);
 		return $output;
@@ -647,12 +645,10 @@ class fileController extends file
 	function triggerCommentCheckAttached(&$obj)
 	{
 		$comment_srl = $obj->comment_srl;
-		if(!$comment_srl) return new BaseObject();
+		if(!$comment_srl) return;
 		// Get numbers of attachments
 		$oFileModel = getModel('file');
 		$obj->uploaded_count = $oFileModel->getFilesCount($comment_srl);
-
-		return new BaseObject();
 	}
 
 	/**
@@ -665,12 +661,10 @@ class fileController extends file
 	{
 		$comment_srl = $obj->comment_srl;
 		$uploaded_count = $obj->uploaded_count;
-		if(!$comment_srl || !$uploaded_count) return new BaseObject();
+		if(!$comment_srl || !$uploaded_count) return;
 
 		$output = $this->setFilesValid($comment_srl);
 		if(!$output->toBool()) return $output;
-
-		return new BaseObject();
 	}
 
 	/**
@@ -682,9 +676,9 @@ class fileController extends file
 	function triggerCommentDeleteAttached(&$obj)
 	{
 		$comment_srl = $obj->comment_srl;
-		if(!$comment_srl) return new BaseObject();
+		if(!$comment_srl) return;
 
-		if($obj->isMoveToTrash) return new BaseObject();
+		if($obj->isMoveToTrash) return;
 
 		$output = $this->deleteFiles($comment_srl);
 		return $output;
@@ -699,7 +693,7 @@ class fileController extends file
 	function triggerDeleteModuleFiles(&$obj)
 	{
 		$module_srl = $obj->module_srl;
-		if(!$module_srl) return new BaseObject();
+		if(!$module_srl) return;
 
 		$oFileController = getAdminController('file');
 		return $oFileController->deleteModuleFiles($module_srl);
@@ -817,13 +811,13 @@ class fileController extends file
 				$allowed_filesize = $config->allowed_filesize * 1024 * 1024;
 				$allowed_attach_size = $config->allowed_attach_size * 1024 * 1024;
 				// An error appears if file size exceeds a limit
-				if($allowed_filesize < filesize($file_info['tmp_name'])) return new BaseObject(-1, 'msg_exceeds_limit_size');
+				if($allowed_filesize < filesize($file_info['tmp_name'])) return $this->setError('msg_exceeds_limit_size');
 				// Get total file size of all attachements (from DB)
 				$size_args = new stdClass;
 				$size_args->upload_target_srl = $upload_target_srl;
 				$output = executeQuery('file.getAttachedFileSize', $size_args);
 				$attached_size = (int)$output->data->attached_size + filesize($file_info['tmp_name']);
-				if($attached_size > $allowed_attach_size) return new BaseObject(-1, 'msg_exceeds_limit_size');
+				if($attached_size > $allowed_attach_size) return $this->setError('msg_exceeds_limit_size');
 			}
 		}
 
@@ -860,7 +854,7 @@ class fileController extends file
 		// Create a directory
 		if(!Rhymix\Framework\Storage::isDirectory($path) && !Rhymix\Framework\Storage::createDirectory($path))
 		{
-			return new BaseObject(-1,'msg_not_permitted_create');
+			return $this->setError('msg_not_permitted_create');
 		}
 		
 		// Move the file
@@ -872,7 +866,7 @@ class fileController extends file
 				@copy($file_info['tmp_name'], $filename);
 				if(!file_exists($filename))
 				{
-					return new BaseObject(-1,'msg_file_upload_error');
+					return $this->setError('msg_file_upload_error');
 				}
 			}
 		}
@@ -882,7 +876,7 @@ class fileController extends file
 			{
 				if (!Rhymix\Framework\Storage::move($file_info['tmp_name'], $filename))
 				{
-					return new BaseObject(-1,'msg_file_upload_error');
+					return $this->setError('msg_file_upload_error');
 				}
 			}
 		}
@@ -892,7 +886,7 @@ class fileController extends file
 			{
 				if(!@move_uploaded_file($file_info['tmp_name'], $filename))
 				{
-					return new BaseObject(-1,'msg_file_upload_error');
+					return $this->setError('msg_file_upload_error');
 				}
 			}
 		}
@@ -1107,16 +1101,16 @@ class fileController extends file
 		$vars = Context::getRequestVars();
 		$logged_info = Context::get('logged_info');
 
-		if(!$vars->editor_sequence) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$vars->editor_sequence) return $this->setError('msg_invalid_request');
 
 		$upload_target_srl = $_SESSION['upload_info'][$vars->editor_sequence]->upload_target_srl;
 
 		$oFileModel = getModel('file');
 		$file_info = $oFileModel->getFile($vars->file_srl);
 
-		if(!$file_info) return new BaseObject(-1, 'msg_not_founded');
+		if(!$file_info) return $this->setError('msg_not_founded');
 
-		if(!$this->manager && !$file_info->member_srl === $logged_info->member_srl) return new BaseObject(-1, 'msg_not_permitted');
+		if(!$this->manager && !$file_info->member_srl === $logged_info->member_srl) return $this->setError('msg_not_permitted');
 
 		$args =  new stdClass();
 		$args->file_srl = $vars->file_srl;
diff --git a/modules/file/file.model.php b/modules/file/file.model.php
index 2de5eaee8..8bb9b2c62 100644
--- a/modules/file/file.model.php
+++ b/modules/file/file.model.php
@@ -45,7 +45,7 @@ class fileModel extends file
 				$oComment = $oCommentModel->getComment($upload_target_srl);
 				if($oComment->isExists() && $oComment->isSecret() && !$oComment->isGranted())
 				{
-					return new BaseObject(-1, 'msg_not_permitted');
+					return $this->setError('msg_not_permitted');
 				}
 
 				$oDocument = $oDocumentModel->getDocument($oComment->get('document_srl'));
@@ -54,7 +54,7 @@ class fileModel extends file
 			// document 권한 확인
 			if($oDocument->isExists() && $oDocument->isSecret() && !$oDocument->isGranted())
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 
 			// 모듈 권한 확인
@@ -63,7 +63,7 @@ class fileModel extends file
 				$grant = $oModuleModel->getGrant($oModuleModel->getModuleInfoByModuleSrl($oDocument->get('module_srl')), $logged_info);
 				if(!$grant->access)
 				{
-					return new BaseObject(-1, 'msg_not_permitted');
+					return $this->setError('msg_not_permitted');
 				}
 			}
 
diff --git a/modules/file/file.view.php b/modules/file/file.view.php
index dde4d98ec..abe56274d 100644
--- a/modules/file/file.view.php
+++ b/modules/file/file.view.php
@@ -19,7 +19,7 @@ class fileView extends file
 	 * It only receives file configurations
 	 *
 	 * @param string $obj The html string of page of addition setup of module
-	 * @return Object
+	 * @return void
 	 */
 	function triggerDispFileAdditionSetup(&$obj)
 	{
@@ -31,7 +31,7 @@ class fileView extends file
 			// Get information of the current module
 			$current_module_info = Context::get('current_module_info');
 			$current_module_srl = $current_module_info->module_srl;
-			if(!$current_module_srl) return new BaseObject();
+			if(!$current_module_srl) return;
 		}
 		// Get file configurations of the module
 		$oFileModel = getModel('file');
@@ -46,8 +46,6 @@ class fileView extends file
 		$oTemplate = &TemplateHandler::getInstance();
 		$tpl = $oTemplate->compile($this->module_path.'tpl', 'file_module_config');
 		$obj .= $tpl;
-
-		return new BaseObject();
 	}
 }
 /* End of file file.view.php */
diff --git a/modules/importer/extract.class.php b/modules/importer/extract.class.php
index aadd55a46..0051e3c32 100644
--- a/modules/importer/extract.class.php
+++ b/modules/importer/extract.class.php
@@ -124,7 +124,7 @@ class extract
 		// If local file
 		if(strncasecmp('http://', $this->filename, 7) !== 0)
 		{
-			if(!file_exists($this->filename)) return new BaseObject(-1,'msg_no_xml_file');
+			if(!file_exists($this->filename)) return $this->setError('msg_no_xml_file');
 			$this->fd = fopen($this->filename,"r");
 			// If remote file
 		}
@@ -135,7 +135,7 @@ class extract
 			if(!$url_info['path']) $url_info['path'] = '/';
 
 			$this->fd = @fsockopen($url_info['host'], $url_info['port']);
-			if(!$this->fd) return new BaseObject(-1,'msg_no_xml_file');
+			if(!$this->fd) return $this->setError('msg_no_xml_file');
 			// If the file name contains Korean, do urlencode(iconv required)
 			$path = $url_info['path'];
 			if(preg_match('/[\xEA-\xED][\x80-\xFF]{2}/', $path)&&function_exists('iconv'))
@@ -157,7 +157,7 @@ class extract
 				$buff .= $str = fgets($this->fd, 1024);
 				if(!trim($str)) break;
 			}
-			if(preg_match('/404 Not Found/i',$buff)) return new BaseObject(-1,'msg_no_xml_file');
+			if(preg_match('/404 Not Found/i',$buff)) return $this->setError('msg_no_xml_file');
 		}
 
 		if($this->startTag)
diff --git a/modules/importer/importer.admin.controller.php b/modules/importer/importer.admin.controller.php
index e3164f84b..83f5d5318 100644
--- a/modules/importer/importer.admin.controller.php
+++ b/modules/importer/importer.admin.controller.php
@@ -292,12 +292,12 @@ class importerAdminController extends importer
 		$this->unit_count = Context::get('unit_count');
 		// Check if an index file exists
 		$index_file = './files/cache/importer/'.$key.'/index';
-		if(!file_exists($index_file)) return new BaseObject(-1, 'msg_invalid_xml_file');
+		if(!file_exists($index_file)) return $this->setError('msg_invalid_xml_file');
 
 		switch($type)
 		{
 			case 'ttxml' :
-				if(!$target_module) return new BaseObject(-1,'msg_invalid_request');
+				if(!$target_module) return $this->setError('msg_invalid_request');
 
 				$oModuleModel = getModel('module');
 				$columnList = array('module_srl', 'module');
@@ -317,7 +317,7 @@ class importerAdminController extends importer
 				break;
 			case 'module' :
 				// Check if the target module exists
-				if(!$target_module) return new BaseObject(-1,'msg_invalid_request');
+				if(!$target_module) return $this->setError('msg_invalid_request');
 				$cur = $this->importModule($key, $cur, $index_file, $target_module);
 				break;
 		}
diff --git a/modules/importer/importer.class.php b/modules/importer/importer.class.php
index 752d663c9..a270d6e4d 100644
--- a/modules/importer/importer.class.php
+++ b/modules/importer/importer.class.php
@@ -12,11 +12,11 @@ class importer extends ModuleObject
 {
 	/**
 	 * Implement if additional tasks are necessary when installing
-	 * @return Object
+	 * @return void
 	 */
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -30,11 +30,11 @@ class importer extends ModuleObject
 
 	/**
 	 * Execute update
-	 * @return Object
+	 * @return void
 	 */
 	function moduleUpdate()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -43,6 +43,7 @@ class importer extends ModuleObject
 	 */
 	function recompileCache()
 	{
+		
 	}
 }
 /* End of file importer.class.php */
diff --git a/modules/install/install.admin.controller.php b/modules/install/install.admin.controller.php
index 19c896557..8bd639781 100644
--- a/modules/install/install.admin.controller.php
+++ b/modules/install/install.admin.controller.php
@@ -20,7 +20,7 @@ class installAdminController extends install
 	function procInstallAdminInstall()
 	{
 		$module_name = Context::get('module_name');
-		if(!$module_name) return new BaseObject(-1, 'invalid_request');
+		if(!$module_name) return $this->setError('invalid_request');
 
 		$oInstallController = getController('install');
 		$oInstallController->installModule($module_name, './modules/'.$module_name);
@@ -35,13 +35,16 @@ class installAdminController extends install
 	{
 		@set_time_limit(0);
 		$module_name = Context::get('module_name');
-		if(!$module_name) return new BaseObject(-1, 'invalid_request');
+		if(!$module_name) return $this->setError('invalid_request');
 
 		$oModule = getModule($module_name, 'class');
-		if($oModule) $output = $oModule->moduleUpdate();
-		else $output = new BaseObject(-1, 'invalid_request');
-
-		return $output;
+		if(!$oModule) return $this->setError('invalid_request');
+		
+		$output = $oModule->moduleUpdate();
+		if($output instanceof BaseObject && !$output->toBool())
+		{
+			return $output;
+		}
 	}
 
 	function procInstallAdminRemoveFTPInfo()
diff --git a/modules/install/install.class.php b/modules/install/install.class.php
index 3f14bd415..613d08a28 100644
--- a/modules/install/install.class.php
+++ b/modules/install/install.class.php
@@ -12,7 +12,7 @@ class install extends ModuleObject
 	 */
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -28,7 +28,7 @@ class install extends ModuleObject
 	 */
 	function moduleUpdate()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
diff --git a/modules/install/install.controller.php b/modules/install/install.controller.php
index 9666fc3cb..f14446b6b 100644
--- a/modules/install/install.controller.php
+++ b/modules/install/install.controller.php
@@ -76,7 +76,7 @@ class installController extends install
 		{
 			if ($oDB->isTableExists($table_name))
 			{
-				return new BaseObject(-1, 'msg_table_already_exists');
+				return $this->setError('msg_table_already_exists');
 			}
 		}
 		
@@ -99,7 +99,7 @@ class installController extends install
 		// Check if it is already installed
 		if (Context::isInstalled())
 		{
-			return new BaseObject(-1, 'msg_already_installed');
+			return $this->setError('msg_already_installed');
 		}
 		
 		// Get install parameters.
@@ -227,7 +227,7 @@ class installController extends install
 		catch(Exception $e)
 		{
 			$oDB->rollback();
-			return new BaseObject(-1, $e->getMessage());
+			return $this->setError($e->getMessage());
 		}
 		
 		// Execute the install script.
@@ -411,7 +411,7 @@ class installController extends install
 		else
 		{
 			FileHandler::removeFile($this->flagLicenseAgreement);
-			return new BaseObject(-1, 'msg_must_accept_license_agreement');
+			return $this->setError('msg_must_accept_license_agreement');
 		}
 
 		if(!in_array(Context::getRequestMethod(),array('XMLRPC','JSON')))
diff --git a/modules/install/install.model.php b/modules/install/install.model.php
index 3d12bac19..9bc7b0562 100644
--- a/modules/install/install.model.php
+++ b/modules/install/install.model.php
@@ -15,13 +15,13 @@ class installModel extends install
 		$connection = ssh2_connect($ftp_info->ftp_host, $ftp_info->ftp_port);
 		if(!ssh2_auth_password($connection, $ftp_info->ftp_user, $ftp_info->ftp_password))
 		{
-			return new BaseObject(-1,'msg_ftp_invalid_auth_info');
+			return $this->setError('msg_ftp_invalid_auth_info');
 		}
 
 		$sftp = ssh2_sftp($connection);
 		$curpwd = "ssh2.sftp://$sftp".$this->pwd;
 		$dh = @opendir($curpwd);
-		if(!$dh) return new BaseObject(-1, 'msg_ftp_invalid_path');
+		if(!$dh) return $this->setError('msg_ftp_invalid_path');
 
 		$list = array();
 		while(($file = readdir($dh)) !== false)
@@ -37,7 +37,7 @@ class installModel extends install
 	{
 		if(!($ftp_info = Context::getRequestVars()) || !$ftp_info->ftp_user || !$ftp_info->ftp_password) 
 		{
-			return new BaseObject(-1, 'msg_ftp_invalid_auth_info');
+			return $this->setError('msg_ftp_invalid_auth_info');
 		}
 		$this->pwd = $ftp_info->ftp_root_path;
 		if(!$ftp_info->ftp_host)
@@ -54,11 +54,11 @@ class installModel extends install
 		if(function_exists('ftp_connect'))
 		{
 			$connection = ftp_connect($ftp_info->ftp_host, $ftp_info->ftp_port);
-			if(!$connection) return new BaseObject(-1, sprintf(lang('msg_ftp_not_connected'), 'host'));
+			if(!$connection) return $this->setError(sprintf(lang('msg_ftp_not_connected'), 'host'));
 			if(! @ftp_login($connection, $ftp_info->ftp_user, $ftp_info->ftp_password))
 			{
 				ftp_close($connection);	
-				return new BaseObject(-1,'msg_ftp_invalid_auth_info');
+				return $this->setError('msg_ftp_invalid_auth_info');
 			}
 
 			if($ftp_info->ftp_pasv != "N") 
@@ -82,7 +82,7 @@ class installModel extends install
 				else
 				{
 					$oFtp->ftp_quit();
-					return new BaseObject(-1,'msg_ftp_invalid_auth_info');
+					return $this->setError('msg_ftp_invalid_auth_info');
 				}
 			}
 		}
diff --git a/modules/install/install.view.php b/modules/install/install.view.php
index 1a76e4563..a2696ae3a 100644
--- a/modules/install/install.view.php
+++ b/modules/install/install.view.php
@@ -58,7 +58,6 @@ class installView extends install
 				else
 				{
 					$this->setRedirectUrl(RX_BASEURL);
-					return new BaseObject();
 				}
 			}
 		}
diff --git a/modules/integration_search/integration_search.class.php b/modules/integration_search/integration_search.class.php
index cd43aeb96..93adb3d97 100644
--- a/modules/integration_search/integration_search.class.php
+++ b/modules/integration_search/integration_search.class.php
@@ -17,8 +17,6 @@ class integration_search extends ModuleObject
 		// Registered in action forward
 		$oModuleController = getController('module');
 		$oModuleController->insertActionForward('integration_search', 'view', 'IS');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -67,8 +65,6 @@ class integration_search extends ModuleObject
 				}
 			}
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/integration_search/integration_search.view.php b/modules/integration_search/integration_search.view.php
index 05edfc2ea..7c9db39c3 100644
--- a/modules/integration_search/integration_search.view.php
+++ b/modules/integration_search/integration_search.view.php
@@ -49,7 +49,7 @@ class integration_searchView extends integration_search
 		}
 		
 		// Check permissions
-		if(!$this->grant->access) return new BaseObject(-1,'msg_not_permitted');
+		if(!$this->grant->access) return $this->setError('msg_not_permitted');
 
 		$config = $oModuleModel->getModuleConfig('integration_search');
 		if(!$config) $config = new stdClass;
diff --git a/modules/krzip/krzip.class.php b/modules/krzip/krzip.class.php
index 0aef331d7..f7cf1be94 100644
--- a/modules/krzip/krzip.class.php
+++ b/modules/krzip/krzip.class.php
@@ -26,12 +26,7 @@ class krzip extends ModuleObject
 
 	function moduleInstall()
 	{
-		return new BaseObject();
-	}
-
-	function moduleUninstall()
-	{
-		return new BaseObject();
+		
 	}
 
 	function checkUpdate()
@@ -41,7 +36,7 @@ class krzip extends ModuleObject
 
 	function moduleUpdate()
 	{
-		return new BaseObject();
+		
 	}
 }
 
diff --git a/modules/krzip/krzip.model.php b/modules/krzip/krzip.model.php
index 8eb4d7a0d..3edbd4cc1 100644
--- a/modules/krzip/krzip.model.php
+++ b/modules/krzip/krzip.model.php
@@ -94,7 +94,7 @@ class krzipModel extends krzip
 		$module_config = $this->getConfig();
 		if($module_config->api_handler != 1)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if(!isset($query))
 		{
@@ -185,11 +185,11 @@ class krzipModel extends krzip
 				}
 			}
 
-			return new BaseObject(-1, $err_msg);
+			return $this->setError($err_msg);
 		}
 		if(!$result->post)
 		{
-			return new BaseObject(-1, 'msg_krzip_riddling_wrong');
+			return $this->setError('msg_krzip_riddling_wrong');
 		}
 
 		$item_list = $result->post->itemlist->item;
@@ -199,7 +199,7 @@ class krzipModel extends krzip
 		}
 		if(!$item_list)
 		{
-			return new BaseObject(-1, 'msg_krzip_no_result');
+			return $this->setError('msg_krzip_no_result');
 		}
 
 		$addr_list = array();
diff --git a/modules/layout/layout.admin.controller.php b/modules/layout/layout.admin.controller.php
index 27b65c839..a20943ffb 100644
--- a/modules/layout/layout.admin.controller.php
+++ b/modules/layout/layout.admin.controller.php
@@ -130,7 +130,7 @@ class layoutAdminController extends layout
 					$output = executeQuery('menu.getMenuItemByUrl', $tmpArgs);
 					if(!$output->toBool())
 					{
-						return new BaseObject(-1, 'fail_to_update');
+						return $this->setError('fail_to_update');
 					}
 
 					$menu_srl = $output->data->menu_srl;
@@ -313,7 +313,7 @@ class layoutAdminController extends layout
 
 					if(!$output->toBool())
 					{
-						return new BaseObject(-1, $output->message);
+						return $this->setError($output->message);
 					}
 				}
 			}
@@ -356,7 +356,7 @@ class layoutAdminController extends layout
 
 		if(!$layout_srl || !$code || !$is_post)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$oLayoutModel = getModel('layout');
@@ -377,7 +377,7 @@ class layoutAdminController extends layout
 	function procLayoutAdminCodeReset()
 	{
 		$layout_srl = Context::get('layout_srl');
-		if(!$layout_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$layout_srl) return $this->setError('msg_invalid_request');
 
 		// delete user layout file
 		$oLayoutModel = getModel('layout');
@@ -480,13 +480,13 @@ class layoutAdminController extends layout
 		$oModuleModel = getModel('module');
 
 		$mid = Context::get('mid');
-		if(!$mid) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$mid) return $this->setError('msg_invalid_request');
 
 		$site_module_info = Context::get('site_module_info');
 		$columnList = array('layout_srl');
 		$module_info = $oModuleModel->getModuleInfoByMid($mid, $site_module_info->site_srl, $columnList);
 		$layout_srl = $module_info->layout_srl;
-		if(!$layout_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$layout_srl) return $this->setError('msg_invalid_request');
 
 		$oLayoutModel = getModel('layout');
 
diff --git a/modules/layout/layout.admin.view.php b/modules/layout/layout.admin.view.php
index ba1159bb4..42df0dcf1 100644
--- a/modules/layout/layout.admin.view.php
+++ b/modules/layout/layout.admin.view.php
@@ -295,11 +295,11 @@ class layoutAdminView extends layout
 		$layout_srl = Context::get('layout_srl');
 		$code = Context::get('code');
 		$code_css = Context::get('code_css');
-		if(!$layout_srl || !$code) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$layout_srl || !$code) return $this->setError('msg_invalid_request');
 		// Get the layout information
 		$oLayoutModel = getModel('layout');
 		$layout_info = $oLayoutModel->getLayout($layout_srl);
-		if(!$layout_info) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$layout_info) return $this->setError('msg_invalid_request');
 		// Separately handle the layout if its type is faceoff
 		if($layout_info && $layout_info->type == 'faceoff') $oLayoutModel->doActivateFaceOff($layout_info);
 		// Apply CSS directly
diff --git a/modules/layout/layout.class.php b/modules/layout/layout.class.php
index 4d2fefee2..939a683bf 100644
--- a/modules/layout/layout.class.php
+++ b/modules/layout/layout.class.php
@@ -15,8 +15,6 @@ class layout extends ModuleObject
 	{
 		// Create a directory to be used in the layout
 		FileHandler::makeDir('./files/cache/layout');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -104,7 +102,6 @@ class layout extends ModuleObject
 				}
 			}
 		}
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/layout/layout.view.php b/modules/layout/layout.view.php
index 9342baeca..ec8730e93 100644
--- a/modules/layout/layout.view.php
+++ b/modules/layout/layout.view.php
@@ -318,8 +318,7 @@ class layoutView extends layout
 	{
 		if(!checkCSRF())
 		{
-			$this->stop('msg_invalid_request');
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// admin check
@@ -331,11 +330,11 @@ class layoutView extends layout
 		$code = Context::get('code');
 
 		$code_css = Context::get('code_css');
-		if(!$layout_srl || !$code) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$layout_srl || !$code) return $this->setError('msg_invalid_request');
 		// Get the layout information
 		$oLayoutModel = getModel('layout');
 		$layout_info = $oLayoutModel->getLayout($layout_srl);
-		if(!$layout_info) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$layout_info) return $this->setError('msg_invalid_request');
 		// Separately handle the layout if its type is faceoff
 		if($layout_info && $layout_info->type == 'faceoff') $oLayoutModel->doActivateFaceOff($layout_info);
 		// Apply CSS directly
diff --git a/modules/member/member.admin.controller.php b/modules/member/member.admin.controller.php
index 73df52e1b..a7d1e9fb1 100644
--- a/modules/member/member.admin.controller.php
+++ b/modules/member/member.admin.controller.php
@@ -26,7 +26,7 @@ class memberAdminController extends member
 		$logged_info = Context::get('logged_info');
 		if($logged_info->is_admin != 'Y' || !checkCSRF())
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$args = Context::gets('member_srl','email_address','find_account_answer', 'allow_mailing','allow_message','denied','is_admin','description','group_srl_list','limit_date');
@@ -729,7 +729,7 @@ class memberAdminController extends member
 		// Check ID duplicated
 		if (Context::isReservedWord($args->column_name))
 		{
-			return new BaseObject(-1, 'msg_column_id_not_available');
+			return $this->setError('msg_column_id_not_available');
 		}
 		$oMemberModel = getModel('member');
 		$config = $oMemberModel->getMemberConfig();
@@ -738,7 +738,7 @@ class memberAdminController extends member
 			if($item->name == $args->column_name)
 			{
 				if($args->member_join_form_srl && $args->member_join_form_srl == $item->member_join_form_srl) continue;
-				return new BaseObject(-1,'msg_column_id_not_available');
+				return $this->setError('msg_column_id_not_available');
 			}
 		}
 		// Fix if member_join_form_srl exists. Add if not exists.
@@ -949,7 +949,7 @@ class memberAdminController extends member
 	function procMemberAdminDeleteMembers()
 	{
 		$target_member_srls = Context::get('target_member_srls');
-		if(!$target_member_srls) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$target_member_srls) return $this->setError('msg_invalid_request');
 		$member_srls = explode(',', $target_member_srls);
 		$oMemberController = getController('member');
 
@@ -973,7 +973,7 @@ class memberAdminController extends member
 	function procMemberAdminUpdateMembersGroup()
 	{
 		$member_srl = Context::get('member_srl');
-		if(!$member_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$member_srl) return $this->setError('msg_invalid_request');
 		$member_srls = explode(',',$member_srl);
 
 		$group_srl = Context::get('group_srls');
@@ -1246,7 +1246,7 @@ class memberAdminController extends member
 	function updateGroup($args)
 	{
 		if(!$args->site_srl) $args->site_srl = 0;
-		if(!$args->group_srl) return new BaseObject(-1, 'lang->msg_not_founded');
+		if(!$args->group_srl) return $this->setError('lang->msg_not_founded');
 		
 		// Call trigger (before)
 		$trigger_output = ModuleHandler::triggerCall('member.updateGroup', 'before', $args);
@@ -1290,8 +1290,8 @@ class memberAdminController extends member
 		$columnList = array('group_srl', 'is_default');
 		$group_info = $oMemberModel->getGroup($group_srl, $columnList);
 
-		if(!$group_info) return new BaseObject(-1, 'lang->msg_not_founded');
-		if($group_info->is_default == 'Y') return new BaseObject(-1, 'msg_not_delete_default');
+		if(!$group_info) return $this->setError('lang->msg_not_founded');
+		if($group_info->is_default == 'Y') return $this->setError('msg_not_delete_default');
 		
 		// Call trigger (before)
 		$trigger_output = ModuleHandler::triggerCall('member.deleteGroup', 'before', $group_info);
diff --git a/modules/member/member.class.php b/modules/member/member.class.php
index cf7af7f81..e859ff8a7 100644
--- a/modules/member/member.class.php
+++ b/modules/member/member.class.php
@@ -164,8 +164,6 @@ class member extends ModuleObject {
 		// 2013. 11. 22 add menu when popup document menu called
 		$oModuleController->insertTrigger('document.getDocumentMenu', 'member', 'controller', 'triggerGetDocumentMenu', 'after');
 		$oModuleController->insertTrigger('comment.getCommentMenu', 'member', 'controller', 'triggerGetCommentMenu', 'after');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -414,8 +412,6 @@ class member extends ModuleObject {
 			$oModuleController->insertTrigger('document.getDocumentMenu', 'member', 'controller', 'triggerGetDocumentMenu', 'after');
 		if(!$oModuleModel->getTrigger('comment.getCommentMenu', 'member', 'controller', 'triggerGetCommentMenu', 'after'))
 			$oModuleController->insertTrigger('comment.getCommentMenu', 'member', 'controller', 'triggerGetCommentMenu', 'after');
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/member/member.controller.php b/modules/member/member.controller.php
index 34a3d725f..ebbd8b989 100644
--- a/modules/member/member.controller.php
+++ b/modules/member/member.controller.php
@@ -30,7 +30,7 @@ class memberController extends member
 		if(!$user_id && !$password && Context::getRequestMethod() == 'GET')
 		{
 			$this->setRedirectUrl(getNotEncodedUrl(''));
-			return new BaseObject(-1, 'null_user_id');
+			return $this->setError('null_user_id');
 		}
 
 		// Variables
@@ -42,8 +42,8 @@ class memberController extends member
 
 		if(!$keep_signed) $keep_signed = Context::get('keep_signed');
 		// Return an error when id and password doesn't exist
-		if(!$user_id) return new BaseObject(-1,'null_user_id');
-		if(!$password) return new BaseObject(-1,'null_password');
+		if(!$user_id) return $this->setError('null_user_id');
+		if(!$password) return $this->setError('null_password');
 
 		$output = $this->doLogin($user_id, $password, $keep_signed=='Y'?true:false);
 		if (!$output->toBool()) return $output;
@@ -123,7 +123,7 @@ class memberController extends member
 		$document_srl = (int) (Context::get('document_srl') ?: Context::get('target_srl'));
 		if(!$document_srl)
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		$oDocumentModel = getModel('document');
@@ -132,7 +132,7 @@ class memberController extends member
 		// Check document
 		if($oDocument->isSecret() && !$oDocument->isGranted())
 		{
-			return new BaseObject(-1, 'msg_is_secret');
+			return $this->setError('msg_is_secret');
 		}
 		
 		$oModuleModel = getModel('module');
@@ -144,19 +144,19 @@ class memberController extends member
 		// Check access to module of the document
 		if(!$grant->access)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		// Check grant to module of the document
 		if(isset($grant->list) && isset($grant->view) && (!$grant->list || !$grant->view))
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		// Check consultation option
 		if(isset($grant->consultation_read) && $module_info->consultation == 'Y' && !$grant->consultation_read && !$oDocument->isGranted())
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		// Find default scrap folder
@@ -188,7 +188,7 @@ class memberController extends member
 		$output = executeQuery('member.getScrapDocument', $args);
 		if($output->data->count)
 		{
-			return new BaseObject(-1, 'msg_alreay_scrapped');
+			return $this->setError('msg_alreay_scrapped');
 		}
 		
 		// Insert
@@ -207,11 +207,11 @@ class memberController extends member
 	function procMemberDeleteScrap()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 
 		$document_srl = (int)Context::get('document_srl');
-		if(!$document_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 		// Variables
 		$args = new stdClass;
 		$args->member_srl = $logged_info->member_srl;
@@ -227,14 +227,14 @@ class memberController extends member
 	function procMemberMoveScrapFolder()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 
 		$document_srl = (int)Context::get('document_srl');
 		$folder_srl = (int)Context::get('folder_srl');
 		if(!$document_srl || !$folder_srl)
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		// Check that the target folder exists and belongs to member
@@ -244,7 +244,7 @@ class memberController extends member
 		$output = executeQueryArray('member.getScrapFolderList', $args);
 		if(!count($output->data))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		// Move
@@ -263,7 +263,7 @@ class memberController extends member
 	function procMemberInsertScrapFolder()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 		
 		// Get new folder name
@@ -271,7 +271,7 @@ class memberController extends member
 		$folder_name = escape(trim(utf8_normalize_spaces($folder_name)));
 		if(!$folder_name)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		// Check existing folder with same name
@@ -281,7 +281,7 @@ class memberController extends member
 		$output = executeQueryArray('member.getScrapFolderList', $args);
 		if(count($output->data) || $folder_name === lang('default_folder'))
 		{
-			return new BaseObject(-1, 'msg_folder_alreay_exists');
+			return $this->setError('msg_folder_alreay_exists');
 		}
 		
 		// Create folder
@@ -302,7 +302,7 @@ class memberController extends member
 	function procMemberRenameScrapFolder()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 		
 		// Get new folder name
@@ -311,7 +311,7 @@ class memberController extends member
 		$folder_name = escape(trim(utf8_normalize_spaces($folder_name)));
 		if(!$folder_srl || !$folder_name)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		// Check that the original folder exists and belongs to member
@@ -321,11 +321,11 @@ class memberController extends member
 		$output = executeQueryArray('member.getScrapFolderList', $args);
 		if(!count($output->data))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if(array_first($output->data)->name === '/DEFAULT/')
 		{
-			return new BaseObject(-1, 'msg_folder_is_default');
+			return $this->setError('msg_folder_is_default');
 		}
 		
 		// Check existing folder with same name
@@ -336,7 +336,7 @@ class memberController extends member
 		$output = executeQueryArray('member.getScrapFolderList', $args);
 		if(count($output->data) || $folder_name === lang('default_folder'))
 		{
-			return new BaseObject(-1, 'msg_folder_alreay_exists');
+			return $this->setError('msg_folder_alreay_exists');
 		}
 		
 		// Rename folder
@@ -354,14 +354,14 @@ class memberController extends member
 	function procMemberDeleteScrapFolder()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 		
 		// Get folder_srl to delete
 		$folder_srl = intval(Context::get('folder_srl'));
 		if(!$folder_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		// Check that the folder exists and belongs to member
@@ -371,11 +371,11 @@ class memberController extends member
 		$output = executeQueryArray('member.getScrapFolderList', $args);
 		if(!count($output->data))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if(array_first($output->data)->name === '/DEFAULT/')
 		{
-			return new BaseObject(-1, 'msg_folder_is_default');
+			return $this->setError('msg_folder_is_default');
 		}
 		
 		// Check that the folder is empty
@@ -385,7 +385,7 @@ class memberController extends member
 		$output = executeQueryArray('member.getScrapDocumentList', $args);
 		if(count($output->data))
 		{
-			return new BaseObject(-1, 'msg_folder_not_empty');
+			return $this->setError('msg_folder_not_empty');
 		}
 		
 		// Delete folder
@@ -437,22 +437,22 @@ class memberController extends member
 	function procMemberDeleteSavedDocument()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 
 		$document_srl = (int)Context::get('document_srl');
-		if(!$document_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$document_srl) return $this->setError('msg_invalid_request');
 		
 		$oDocumentModel = getModel('document');
 		$oDocument = $oDocumentModel->getDocument($document_srl);
 		if ($oDocument->get('member_srl') != $logged_info->member_srl)
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		$configStatusList = $oDocumentModel->getStatusList();
 		if ($oDocument->get('status') != $configStatusList['temp'])
 		{
-			return new BaseObject(-1,'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// Variables
@@ -466,14 +466,14 @@ class memberController extends member
 	function procMemberDeleteAutologin()
 	{
 		// Check login information
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 		$logged_info = Context::get('logged_info');
 		
 		$autologin_id = intval(Context::get('autologin_id'));
 		$autologin_key = Context::get('autologin_key');
 		if (!$autologin_id || !$autologin_key)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		$args = new stdClass;
@@ -590,7 +590,7 @@ class memberController extends member
 		{
 			if($agreement->type === 'required' && $accept_agreement !== 'Y' && $accept_agreement[$i] !== 'Y')
 			{
-				return $this->stop('msg_accept_agreement');
+				return $this->setError('msg_accept_agreement');
 			}
 		}
 
@@ -645,7 +645,7 @@ class memberController extends member
 		if(!$oMemberModel->checkPasswordStrength($args->password, $config->password_strength))
 		{
 			$message = lang('about_password_strength');
-			return new BaseObject(-1, $message[$config->password_strength]);
+			return $this->setError($message[$config->password_strength]);
 		}
 
 		// Remove some unnecessary variables from all the vars
@@ -804,7 +804,7 @@ class memberController extends member
 		// Verify the current password
 		if(!$oMemberModel->isValidPassword($member_info->password, $password))
 		{
-			return new BaseObject(-1, 'invalid_password');
+			return $this->setError('invalid_password');
 		}
 
 		$_SESSION['rechecked_password_step'] = 'VALIDATE_PASSWORD';
@@ -982,10 +982,10 @@ class memberController extends member
 
 		$member_info = $oMemberModel->getMemberInfoByMemberSrl($member_srl, 0, $columnList);
 		// Verify the cuttent password
-		if(!$oMemberModel->isValidPassword($member_info->password, $current_password, $member_srl)) return new BaseObject(-1, 'invalid_password');
+		if(!$oMemberModel->isValidPassword($member_info->password, $current_password, $member_srl)) return $this->setError('invalid_password');
 
 		// Check if a new password is as same as the previous password
-		if($current_password == $password) return new BaseObject(-1, 'invalid_new_password');
+		if($current_password == $password) return $this->setError('invalid_new_password');
 
 		// Execute insert or update depending on the value of member_srl
 		$args = new stdClass;
@@ -1028,7 +1028,7 @@ class memberController extends member
 		$columnList = array('member_srl', 'password');
 		$member_info = $oMemberModel->getMemberInfoByMemberSrl($member_srl, 0, $columnList);
 		// Verify the cuttent password
-		if(!$oMemberModel->isValidPassword($member_info->password, $password)) return new BaseObject(-1, 'invalid_password');
+		if(!$oMemberModel->isValidPassword($member_info->password, $password)) return $this->setError('invalid_password');
 
 		$output = $this->deleteMember($member_srl);
 		if(!$output->toBool()) return $output;
@@ -1317,14 +1317,14 @@ class memberController extends member
 	function procMemberFindAccount()
 	{
 		$email_address = Context::get('email_address');
-		if(!$email_address) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$email_address) return $this->setError('msg_invalid_request');
 
 		$oMemberModel = getModel('member');
 		$oModuleModel = getModel('module');
 
 		// Check if a member having the same email address exists
 		$member_srl = $oMemberModel->getMemberSrlByEmailAddress($email_address);
-		if(!$member_srl) return new BaseObject(-1, 'msg_email_not_exists');
+		if(!$member_srl) return $this->setError('msg_email_not_exists');
 
 		// Get information of the member
 		$columnList = array('denied', 'member_srl', 'user_id', 'user_name', 'email_address', 'nick_name');
@@ -1336,7 +1336,7 @@ class memberController extends member
 			$chk_args = new stdClass;
 			$chk_args->member_srl = $member_info->member_srl;
 			$output = executeQuery('member.chkAuthMail', $chk_args);
-			if($output->toBool() && $output->data->count != '0') return new BaseObject(-1, 'msg_user_not_confirmed');
+			if($output->toBool() && $output->data->count != '0') return $this->setError('msg_user_not_confirmed');
 		}
 
 		// Insert data into the authentication DB
@@ -1417,7 +1417,7 @@ class memberController extends member
 	 */
 	function procMemberFindAccountByQuestion()
 	{
-		return new BaseObject(-1, 'msg_question_not_allowed');
+		return $this->setError('msg_question_not_allowed');
 	}
 
 	/**
@@ -1510,14 +1510,14 @@ class memberController extends member
 	{
 		// Get an email_address
 		$email_address = Context::get('email_address');
-		if(!$email_address) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$email_address) return $this->setError('msg_invalid_request');
 		// Log test by using email_address
 		$oMemberModel = getModel('member');
 
 		$args = new stdClass;
 		$args->email_address = $email_address;
 		$memberSrl = $oMemberModel->getMemberSrlByEmailAddress($email_address);
-		if(!$memberSrl) return new BaseObject(-1, 'msg_not_exists_member');
+		if(!$memberSrl) return $this->setError('msg_not_exists_member');
 
 		$columnList = array('member_srl', 'user_id', 'user_name', 'nick_name', 'email_address');
 		$member_info = $oMemberModel->getMemberInfoByMemberSrl($memberSrl, 0, $columnList);
@@ -1531,12 +1531,12 @@ class memberController extends member
 		$chk_args = new stdClass;
 		$chk_args->member_srl = $member_info->member_srl;
 		$output = executeQuery('member.chkAuthMail', $chk_args);
-		if($output->toBool() && $output->data->count == '0') return new BaseObject(-1, 'msg_invalid_request');
+		if($output->toBool() && $output->data->count == '0') return $this->setError('msg_invalid_request');
 
 		$auth_args = new stdClass;
 		$auth_args->member_srl = $member_info->member_srl;
 		$output = executeQueryArray('member.getAuthMailInfo', $auth_args);
-		if(!$output->data || !$output->data[0]->auth_key)  return new BaseObject(-1, 'msg_invalid_request');
+		if(!$output->data || !$output->data[0]->auth_key)  return $this->setError('msg_invalid_request');
 		$auth_info = $output->data[0];
 
 		// Update the regdate of authmail entry
@@ -1614,7 +1614,7 @@ class memberController extends member
 		$member_srl = $oMemberModel->getMemberSrlByEmailAddress($newEmail);
 		if($member_srl)
 		{
-			return new BaseObject(-1,'msg_exists_email_address');
+			return $this->setError('msg_exists_email_address');
 		}
 
 		// remove all key by member_srl
@@ -1729,7 +1729,7 @@ class memberController extends member
 	{
 		$site_module_info = Context::get('site_module_info');
 		$logged_info = Context::get('logged_info');
-		if(!$site_module_info->site_srl || !Context::get('is_logged') || count($logged_info->group_srl_list) ) return new BaseObject(-1,'msg_invalid_request');
+		if(!$site_module_info->site_srl || !Context::get('is_logged') || count($logged_info->group_srl_list) ) return $this->setError('msg_invalid_request');
 
 		$oMemberModel = getModel('member');
 		$columnList = array('site_srl', 'group_srl', 'title');
@@ -1748,7 +1748,7 @@ class memberController extends member
 	{
 		$site_module_info = Context::get('site_module_info');
 		$logged_info = Context::get('logged_info');
-		if(!$site_module_info->site_srl || !Context::get('is_logged') || count($logged_info->group_srl_list) ) return new BaseObject(-1,'msg_invalid_request');
+		if(!$site_module_info->site_srl || !Context::get('is_logged') || count($logged_info->group_srl_list) ) return $this->setError('msg_invalid_request');
 
 		$args = new stdClass;
 		$args->site_srl= $site_module_info->site_srl;
@@ -2026,7 +2026,7 @@ class memberController extends member
 				elseif(3600 <= $term && $term < 86400) $term = intval($term/3600).lang('unit_hour');
 				else $term = intval($term/86400).lang('unit_day');
 
-				return new BaseObject(-1, sprintf(lang('excess_ip_access_count'),$term));
+				return new BaseObject(-1, 'excess_ip_access_count', $term);
 			}
 			else
 			{
@@ -2349,27 +2349,27 @@ class memberController extends member
 		// Check if ID is prohibited
 		if($logged_info->is_admin !== 'Y' && $oMemberModel->isDeniedID($args->user_id))
 		{
-			return new BaseObject(-1,'denied_user_id');
+			return new BaseObject(-1, 'denied_user_id');
 		}
 
 		// Check if ID is duplicate
 		$member_srl = $oMemberModel->getMemberSrlByUserID($args->user_id);
 		if($member_srl)
 		{
-			return new BaseObject(-1,'msg_exists_user_id');
+			return new BaseObject(-1, 'msg_exists_user_id');
 		}
 
 		// Check if nickname is prohibited
 		if($logged_info->is_admin !== 'Y' && $oMemberModel->isDeniedNickName($args->nick_name))
 		{
-			return new BaseObject(-1,'denied_nick_name');
+			return new BaseObject(-1, 'denied_nick_name');
 		}
 
 		// Check if nickname is duplicate
 		$member_srl = $oMemberModel->getMemberSrlByNickName($args->nick_name);
 		if($member_srl)
 		{
-			return new BaseObject(-1,'msg_exists_nick_name');
+			return new BaseObject(-1, 'msg_exists_nick_name');
 		}
 
 		// Check managed Email Host
@@ -2392,7 +2392,7 @@ class memberController extends member
 		$member_srl = $oMemberModel->getMemberSrlByEmailAddress($args->email_address);
 		if($member_srl)
 		{
-			return new BaseObject(-1,'msg_exists_email_address');
+			return new BaseObject(-1, 'msg_exists_email_address');
 		}
 
 		// Insert data into the DB
@@ -2600,7 +2600,7 @@ class memberController extends member
 			$member_srl = $oMemberModel->getMemberSrlByEmailAddress($args->email_address);
 			if($member_srl && $args->member_srl != $member_srl)
 			{
-				return new BaseObject(-1,'msg_exists_email_address');
+				return new BaseObject(-1, 'msg_exists_email_address');
 			}
 			$args->email_address = $orgMemberInfo->email_address;
 		}
@@ -2609,7 +2609,7 @@ class memberController extends member
 			$member_srl = $oMemberModel->getMemberSrlByUserID($args->user_id);
 			if($member_srl && $args->member_srl != $member_srl)
 			{
-				return new BaseObject(-1,'msg_exists_user_id');
+				return new BaseObject(-1, 'msg_exists_user_id');
 			}
 
 			$args->user_id = $orgMemberInfo->user_id;
@@ -2618,7 +2618,7 @@ class memberController extends member
 		// Check if ID is prohibited
 		if($logged_info->is_admin !== 'Y' && $args->user_id && $oMemberModel->isDeniedID($args->user_id))
 		{
-			return new BaseObject(-1,'denied_user_id');
+			return new BaseObject(-1, 'denied_user_id');
 		}
 
 		// Check if ID is duplicate
@@ -2627,7 +2627,7 @@ class memberController extends member
 			$member_srl = $oMemberModel->getMemberSrlByUserID($args->user_id);
 			if($member_srl && $args->member_srl != $member_srl)
 			{
-				return new BaseObject(-1,'msg_exists_user_id');
+				return new BaseObject(-1, 'msg_exists_user_id');
 			}
 		}
 
@@ -2641,7 +2641,7 @@ class memberController extends member
 		$member_srl = $oMemberModel->getMemberSrlByNickName($args->nick_name);
  		if($member_srl && $args->member_srl != $member_srl)
  		{
- 			return new BaseObject(-1,'msg_exists_nick_name');
+ 			return new BaseObject(-1, 'msg_exists_nick_name');
  		}
 
 		list($args->email_id, $args->email_host) = explode('@', $args->email_address);
@@ -2886,12 +2886,12 @@ class memberController extends member
 
 	function procMemberModifyEmailAddress()
 	{
-		if(!Context::get('is_logged')) return $this->stop('msg_not_logged');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_logged');
 
 		$member_info = Context::get('logged_info');
 		$newEmail = Context::get('email_address');
 
-		if(!$newEmail) return $this->stop('msg_invalid_request');
+		if(!$newEmail) return $this->setError('msg_invalid_request');
 
 		$oMemberModel = getModel('member');
 		// Check managed Email Host
@@ -2907,16 +2907,16 @@ class memberController extends member
 				$hosts[] = $host->email_host;
 			}
 			$message = sprintf($managed_email_host[$emailhost_check],implode(', ',$hosts),'id@'.implode(', id@',$hosts));
-			return new BaseObject(-1, $message);
+			return $this->setError($message);
 		}
 
 		// Check if the e-mail address is already registered
 		$member_srl = $oMemberModel->getMemberSrlByEmailAddress($newEmail);
-		if($member_srl) return new BaseObject(-1,'msg_exists_email_address');
+		if($member_srl) return $this->setError('msg_exists_email_address');
 
 		if($_SESSION['rechecked_password_step'] != 'INPUT_DATA')
 		{
-			return $this->stop('msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		unset($_SESSION['rechecked_password_step']);
 
@@ -3018,7 +3018,7 @@ class memberController extends member
 	**/
 	function triggerGetDocumentMenu(&$menu_list)
 	{
-		if(!Context::get('is_logged')) return new BaseObject();
+		if(!Context::get('is_logged')) return;
 
 		$logged_info = Context::get('logged_info');
 		$document_srl = Context::get('target_srl');
@@ -3029,14 +3029,12 @@ class memberController extends member
 		$member_srl = $oDocument->get('member_srl');
 		$module_srl = $oDocument->get('module_srl');
 
-		if(!$member_srl) return new BaseObject();
-		if($oDocumentModel->grant->manager != 1 || $member_srl==$logged_info->member_srl) return new BaseObject();
+		if(!$member_srl) return;
+		if($oDocumentModel->grant->manager != 1 || $member_srl==$logged_info->member_srl) return;
 
 		$oDocumentController = getController('document');
 		$url = getUrl('','module','member','act','dispMemberSpammer','member_srl',$member_srl,'module_srl',$module_srl);
 		$oDocumentController->addDocumentPopupMenu($url,'cmd_spammer','','popup');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -3048,7 +3046,7 @@ class memberController extends member
 	**/
 	function triggerGetCommentMenu(&$menu_list)
 	{
-		if(!Context::get('is_logged')) return new BaseObject();
+		if(!Context::get('is_logged')) return;
 
 		$logged_info = Context::get('logged_info');
 		$comment_srl = Context::get('target_srl');
@@ -3059,14 +3057,12 @@ class memberController extends member
 		$module_srl = $oComment->get('module_srl');
 		$member_srl = $oComment->get('member_srl');
 
-		if(!$member_srl) return new BaseObject();
-		if($oCommentModel->grant->manager != 1 || $member_srl==$logged_info->member_srl) return new BaseObject();
+		if(!$member_srl) return;
+		if($oCommentModel->grant->manager != 1 || $member_srl==$logged_info->member_srl) return;
 
 		$oCommentController = getController('comment');
 		$url = getUrl('','module','member','act','dispMemberSpammer','member_srl',$member_srl,'module_srl',$module_srl);
 		$oCommentController->addCommentPopupMenu($url,'cmd_spammer','','popup');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -3076,7 +3072,7 @@ class memberController extends member
 	**/
 	function procMemberSpammerManage()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 
 		$logged_info = Context::get('logged_info');
 		$member_srl = Context::get('member_srl');
@@ -3093,7 +3089,7 @@ class memberController extends member
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl, $columnList);
 		$grant = $oModuleModel->getGrant($module_info, $logged_info);
 
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return $this->setError('msg_not_permitted');
 
 		$proc_msg = "";
 
diff --git a/modules/member/member.view.php b/modules/member/member.view.php
index 7e7eac466..d6057bd33 100644
--- a/modules/member/member.view.php
+++ b/modules/member/member.view.php
@@ -352,7 +352,7 @@ class memberView extends member
 		// A message appears if the user is not logged-in
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_not_logged');
+			return $this->setError('msg_not_logged');
 		}
 
 		$logged_info = Context::get('logged_info');
@@ -432,7 +432,7 @@ class memberView extends member
 		$folder_srl = (int)Context::get('folder_srl');
 		if($folder_srl && !array_filter($folders, function($folder) use($folder_srl) { return $folder->folder_srl == $folder_srl; }))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		if(!$folder_srl && count($folders))
 		{
@@ -740,7 +740,7 @@ class memberView extends member
 	**/
 	function dispMemberSpammer()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 
 		$member_srl = Context::get('member_srl');
 		$module_srl = Context::get('module_srl');
@@ -751,7 +751,7 @@ class memberView extends member
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl, $columnList);
 		$grant = $oModuleModel->getGrant($module_info, Context::get('logged_info'));
 
-		if(!$grant->manager) return new BaseObject(-1,'msg_not_permitted');
+		if(!$grant->manager) return $this->setError('msg_not_permitted');
 
 		$oMemberModel = getModel('member');
 
@@ -783,7 +783,7 @@ class memberView extends member
 		{
 			if($logged_info->is_admin != 'Y')
 			{
-				return new BaseObject(-1, 'msg_not_permitted');
+				return $this->setError('msg_not_permitted');
 			}
 		}
 
diff --git a/modules/menu/menu.admin.controller.php b/modules/menu/menu.admin.controller.php
index ad191a09b..103343daf 100644
--- a/modules/menu/menu.admin.controller.php
+++ b/modules/menu/menu.admin.controller.php
@@ -170,7 +170,7 @@ class menuAdminController extends menu
 	{
 		if(!$moduleInfos || !is_array($moduleInfos) || count($moduleInfos) == 0 || $menuSrl == 0)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		foreach($moduleInfos as $moduleInfo)
@@ -252,7 +252,7 @@ class menuAdminController extends menu
 
 		$oAdmin = getClass('admin');
 		if($menuInfo->title == $oAdmin->getAdminMenuName())
-			return new BaseObject(-1, 'msg_adminmenu_cannot_delete');
+			return $this->setError('msg_adminmenu_cannot_delete');
 
 		// get menu properies with child menu
 		$phpFile = sprintf("./files/cache/menu/%s.php", $menu_srl);
@@ -283,13 +283,13 @@ class menuAdminController extends menu
 
 		if($isStartmenuInclude)
 		{
-			return new BaseObject(-1, 'msg_cannot_delete_homemenu');
+			return $this->setError('msg_cannot_delete_homemenu');
 		}
 
 		$output = $this->deleteMenu($menu_srl);
 		if(!$output->toBool())
 		{
-			return new BaseObject(-1, $output->message);
+			return $this->setError($output->message);
 		}
 
 		$this->setMessage('success_deleted', 'info');
@@ -389,13 +389,13 @@ class menuAdminController extends menu
 
 		if(!$request->parent_srl || !$request->menu_name)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$this->_setMenuSrl($request->parent_srl, $request->menu_srl);
 		if(!$request->menu_srl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		if($request->is_shortcut == 'Y')
@@ -475,7 +475,7 @@ class menuAdminController extends menu
 			$itemInfo = $oMenuAdminModel->getMenuItemInfo($request->shortcut_target);
 			if(!$itemInfo->menu_item_srl)
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 			unset($itemInfo->normal_btn, $itemInfo->hover_btn, $itemInfo->active_btn);
 
@@ -540,7 +540,7 @@ class menuAdminController extends menu
 
 		if($request->module_id && strncasecmp('http', $request->module_id, 4) === 0)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// when menu copy, module already copied
@@ -549,7 +549,7 @@ class menuAdminController extends menu
 			$result = $this->_insertModule($request, $args);
 			if(!$result->toBool())
 			{
-				return new BaseObject(-1, $result->message);
+				return $this->setError($result->message);
 			}
 		}
 
@@ -560,7 +560,7 @@ class menuAdminController extends menu
 
 		if(!$request->module_id)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$args->url = $request->module_id;
@@ -625,7 +625,7 @@ class menuAdminController extends menu
 		$output = $oModuleModel->getModuleInfoByMid($request->module_id);
 		if($output->module_srl)
 		{
-			return new BaseObject(-1, 'msg_module_name_exists');
+			return $this->setError('msg_module_name_exists');
 		}
 
 		$oModuleController = getController('module');
@@ -644,7 +644,7 @@ class menuAdminController extends menu
 
 		if(!$request->menu_item_srl || !$request->menu_name)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// variables set
@@ -671,7 +671,7 @@ class menuAdminController extends menu
 				$newItemInfo = $oMenuAdminModel->getMenuItemInfo($request->shortcut_target);
 				if(!$newItemInfo->menu_item_srl)
 				{
-					return new BaseObject(-1, 'msg_invalid_request');
+					return $this->setError('msg_invalid_request');
 				}
 
 				$args->url = $newItemInfo->url;
@@ -691,7 +691,7 @@ class menuAdminController extends menu
 				$output = $oModuleModel->getModuleInfoByMid($request->module_id);
 				if($output->module_srl)
 				{
-					return new BaseObject(-1, 'msg_module_name_exists');
+					return $this->setError('msg_module_name_exists');
 				}
 			}
 
@@ -699,7 +699,7 @@ class menuAdminController extends menu
 			$moduleInfo = $oModuleModel->getModuleInfoByMid($itemInfo->url);
 			if(!$moduleInfo)
 			{
-				return new BaseObject(-1, 'msg_invalid_request');
+				return $this->setError('msg_invalid_request');
 			}
 
 			$moduleInfo->mid = $request->module_id;
@@ -892,7 +892,7 @@ class menuAdminController extends menu
 		$this->_checkHomeMenuInOriginMenu($originMenu, $siteInfo->mid, $isStartmenuInclude);
 		if($isStartmenuInclude)
 		{
-			return new BaseObject(-1, 'msg_cannot_delete_homemenu');
+			return $this->setError('msg_cannot_delete_homemenu');
 		}
 
 		$oDB = DB::getInstance();
@@ -990,7 +990,7 @@ class menuAdminController extends menu
 		$output = $this->_deleteMenuItem($oDB, $menuInfo, $node);
 		if(!$output->toBool())
 		{
-			return new BaseObject(-1, $output->message);
+			return $this->setError($output->message);
 		}
 
 		if(is_array($node['list']))
@@ -1013,7 +1013,7 @@ class menuAdminController extends menu
 		$source_srl = Context::get('source_srl');	// Same hierarchy's menu item serial number
 		$target_srl = Context::get('target_srl');	// Self menu item serial number
 
-		if(!$mode || !$parent_srl || !$target_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$mode || !$parent_srl || !$target_srl) return $this->setError('msg_invalid_request');
 
 		$oMenuAdminModel = getAdminModel('menu');
 
@@ -1023,7 +1023,7 @@ class menuAdminController extends menu
 		$targetMenuItemInfo = $oMenuAdminModel->getMenuItemInfo($target_srl);
 		if(!$originalItemInfo->menu_item_srl || (!$targetMenuInfo->menu_srl && !$targetMenuItemInfo->menu_item_srl))
 		{
-			return new BaseObject(-1, 'msg_empty_menu_item');
+			return $this->setError('msg_empty_menu_item');
 		}
 
 		// get menu properies with child menu
@@ -1407,7 +1407,7 @@ class menuAdminController extends menu
 		$oMenuAdminModel = getAdminModel('menu');
 
 		$target_item = $oMenuAdminModel->getMenuItemInfo($target_srl);
-		if($target_item->menu_item_srl != $target_srl) return new BaseObject(-1,'msg_invalid_request');
+		if($target_item->menu_item_srl != $target_srl) return $this->setError('msg_invalid_request');
 		// Move the menu location(change the order menu appears)
 		if($mode == 'move')
 		{
@@ -1418,7 +1418,7 @@ class menuAdminController extends menu
 			if($source_srl)
 			{
 				$source_item = $oMenuAdminModel->getMenuItemInfo($source_srl);
-				if($source_item->menu_item_srl != $source_srl) return new BaseObject(-1,'msg_invalid_request');
+				if($source_item->menu_item_srl != $source_srl) return $this->setError('msg_invalid_request');
 				$args->listorder = $source_item->listorder-1;
 			}
 			else
diff --git a/modules/menu/menu.admin.model.php b/modules/menu/menu.admin.model.php
index 30c0bc10b..eaeb96206 100644
--- a/modules/menu/menu.admin.model.php
+++ b/modules/menu/menu.admin.model.php
@@ -614,7 +614,7 @@ class menuAdminModel extends menu
 		$menuItemSrl = Context::get('menu_item_srl');
 		if(!$menuItemSrl)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$menuItemInfo = $this->getMenuItemInfo($menuItemSrl);
@@ -622,7 +622,7 @@ class menuAdminModel extends menu
 		// if menu is shortcut
 		if($menuItemInfo->is_shortcut == 'Y')
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		// get module info
diff --git a/modules/menu/menu.class.php b/modules/menu/menu.class.php
index 961c0fea8..e10047905 100644
--- a/modules/menu/menu.class.php
+++ b/modules/menu/menu.class.php
@@ -18,8 +18,6 @@ class menu extends ModuleObject
 	{
 		// Create a directory to use menu
 		FileHandler::makeDir('./files/cache/menu');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -182,8 +180,6 @@ class menu extends ModuleObject
 			
 			$this->recompileCache();
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/message/message.class.php b/modules/message/message.class.php
index 89c0f9137..a1387435a 100644
--- a/modules/message/message.class.php
+++ b/modules/message/message.class.php
@@ -12,7 +12,7 @@ class message extends ModuleObject
 	 */
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -57,7 +57,6 @@ class message extends ModuleObject
 				}
 			}
 		}
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/module/module.admin.controller.php b/modules/module/module.admin.controller.php
index 2e8efff43..e8e35d9dc 100644
--- a/modules/module/module.admin.controller.php
+++ b/modules/module/module.admin.controller.php
@@ -108,7 +108,7 @@ class moduleAdminController extends module
 		{
 			$mid = trim($args->{"mid_".$i});
 			if(!$mid) continue;
-			if(!preg_match("/^[a-zA-Z]([a-zA-Z0-9_]*)$/i", $mid)) return new BaseObject(-1, 'msg_limit_mid');
+			if(!preg_match("/^[a-zA-Z]([a-zA-Z0-9_]*)$/i", $mid)) return $this->setError('msg_limit_mid');
 			$browser_title = $args->{"browser_title_".$i};
 			if(!$mid) continue;
 			if($mid && !$browser_title) $browser_title = $mid;
@@ -282,7 +282,7 @@ class moduleAdminController extends module
 		// Get information of the module
 		$columnList = array('module_srl', 'module');
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl, $columnList);
-		if(!$module_info) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_info) return $this->setError('msg_invalid_request');
 		// Register Admin ID
 		$oModuleController->deleteAdminId($module_srl);
 		$admin_member = Context::get('admin_member');
@@ -509,10 +509,10 @@ class moduleAdminController extends module
 	{
 		$vars = Context::getRequestVars();
 
-		if(!$vars->module_srls) return new BaseObject(-1,'msg_invalid_request');
+		if(!$vars->module_srls) return $this->setError('msg_invalid_request');
 
 		$module_srls = explode(',',$vars->module_srls);
-		if(count($module_srls) < 1) return new BaseObject(-1,'msg_invalid_request');
+		if(count($module_srls) < 1) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$oModuleController= getController('module');
@@ -564,10 +564,10 @@ class moduleAdminController extends module
 	function procModuleAdminModuleGrantSetup()
 	{
 		$module_srls = Context::get('module_srls');
-		if(!$module_srls) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srls) return $this->setError('msg_invalid_request');
 
 		$modules = explode(',',$module_srls);
-		if(count($modules) < 1) return new BaseObject(-1,'msg_invalid_request');
+		if(count($modules) < 1) return $this->setError('msg_invalid_request');
 
 		$oModuleController = getController('module');
 		$oModuleModel = getModel('module');
@@ -676,7 +676,7 @@ class moduleAdminController extends module
 		// if args->name is empty, random generate for user define language
 		if(empty($args->name)) $args->name = 'userLang'.date('YmdHis').''.sprintf('%03d', mt_rand(0, 100));
 
-		if(!$args->name) return new BaseObject(-1,'msg_invalid_request');
+		if(!$args->name) return $this->setError('msg_invalid_request');
 		// Check whether a language code exists
 		$output = executeQueryArray('module.getLang', $args);
 		if(!$output->toBool()) return $output;
@@ -723,7 +723,7 @@ class moduleAdminController extends module
 		$args->name = str_replace(' ','_',Context::get('name'));
 		$args->lang_name = str_replace(' ','_',Context::get('lang_name'));
 		if(!empty($args->lang_name)) $args->name = $args->lang_name;
-		if(!$args->name) return new BaseObject(-1,'msg_invalid_request');
+		if(!$args->name) return $this->setError('msg_invalid_request');
 
 		$output = executeQuery('module.deleteLang', $args);
 		if(!$output->toBool()) return $output;
@@ -737,7 +737,7 @@ class moduleAdminController extends module
 
 	function procModuleAdminGetList()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 
 		$oModuleController = getController('module');
 		$oModuleModel = getModel('module');
diff --git a/modules/module/module.admin.model.php b/modules/module/module.admin.model.php
index 2932fd8f2..194c8c398 100644
--- a/modules/module/module.admin.model.php
+++ b/modules/module/module.admin.model.php
@@ -220,7 +220,7 @@ class moduleAdminModel extends module
 
 		if($targetModule == '_SHORTCUT')
 		{
-			return new BaseObject(0);
+			return new BaseObject();
 		}
 
 		$oModuleModel = getModel('module');
@@ -453,7 +453,7 @@ class moduleAdminModel extends module
 	function getModuleAdminLangCode()
 	{
 		$name = Context::get('name');
-		if(!$name) return new BaseObject(-1,'msg_invalid_request');
+		if(!$name) return $this->setError('msg_invalid_request');
 		$site_module_info = Context::get('site_module_info');
 		$this->add('name', $name);
 		$output = $this->getLangCode($site_module_info->site_srl, '$user_lang->'.$name);
diff --git a/modules/module/module.admin.view.php b/modules/module/module.admin.view.php
index 13b95056f..4af61b9a0 100644
--- a/modules/module/module.admin.view.php
+++ b/modules/module/module.admin.view.php
@@ -165,7 +165,7 @@ class moduleAdminView extends module
 		$module_srls = Context::get('module_srls');
 
 		$modules = explode(',',$module_srls);
-		if(!count($modules)) if(!$module_srls) return new BaseObject(-1,'msg_invalid_request');
+		if(!count($modules)) if(!$module_srls) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$columnList = array('module_srl', 'module');
@@ -201,7 +201,7 @@ class moduleAdminView extends module
 		$module_srls = Context::get('module_srls');
 
 		$modules = explode(',',$module_srls);
-		if(!count($modules)) if(!$module_srls) return new BaseObject(-1,'msg_invalid_request');
+		if(!count($modules)) if(!$module_srls) return $this->setError('msg_invalid_request');
 		// pre-define variables because you can get contents from other module (call by reference)
 		$content = '';
 		// Call a trigger for additional settings
@@ -224,7 +224,7 @@ class moduleAdminView extends module
 		$module_srls = Context::get('module_srls');
 
 		$modules = explode(',',$module_srls);
-		if(!count($modules)) if(!$module_srls) return new BaseObject(-1,'msg_invalid_request');
+		if(!count($modules)) if(!$module_srls) return $this->setError('msg_invalid_request');
 
 		$oModuleModel = getModel('module');
 		$columnList = array('module_srl', 'module', 'site_srl');
diff --git a/modules/module/module.class.php b/modules/module/module.class.php
index 4d409e230..97488a407 100644
--- a/modules/module/module.class.php
+++ b/modules/module/module.class.php
@@ -45,8 +45,6 @@ class module extends ModuleObject
 		FileHandler::makeDir('./files/cache/module_info');
 		FileHandler::makeDir('./files/cache/triggers');
 		FileHandler::makeDir('./files/ruleset');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -393,8 +391,6 @@ class module extends ModuleObject
 		{
 			$oDB->modifyColumn('module_config', 'config', 'bigtext');
 		}
-		
-		return new BaseObject(0, 'success_updated');
 	}
 	
 	/**
diff --git a/modules/module/module.controller.php b/modules/module/module.controller.php
index a4d1c3218..7e4438410 100644
--- a/modules/module/module.controller.php
+++ b/modules/module/module.controller.php
@@ -257,7 +257,7 @@ class moduleController extends module
 		if(isSiteID($domain))
 		{
 			$oModuleModel = getModel('module');
-			if($oModuleModel->isIDExists($domain, 0)) return new BaseObject(-1,'msg_already_registed_vid');
+			if($oModuleModel->isIDExists($domain, 0)) return new BaseObject(-1, 'msg_already_registed_vid');
 		}
 		else
 		{
@@ -299,8 +299,8 @@ class moduleController extends module
 		if($site_info->domain != $args->domain)
 		{
 			$info = $oModuleModel->getSiteInfoByDomain($args->domain, $columnList);
-			if($info->site_srl && $info->site_srl != $args->site_srl) return new BaseObject(-1,'msg_already_registed_domain');
-			if(isSiteID($args->domain) && $oModuleModel->isIDExists($args->domain)) return new BaseObject(-1,'msg_already_registed_vid');
+			if($info->site_srl && $info->site_srl != $args->site_srl) return new BaseObject(-1, 'msg_already_registed_domain');
+			if(isSiteID($args->domain) && $oModuleModel->isIDExists($args->domain)) return new BaseObject(-1, 'msg_already_registed_vid');
 
 			if($args->domain && !isSiteID($args->domain))
 			{
@@ -704,7 +704,7 @@ class moduleController extends module
 	 */
 	public function onlyDeleteModule($module_srl)
 	{
-		if(!$module_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
 
 		// check start module
 		$oModuleModel = getModel('module');
@@ -1078,7 +1078,7 @@ class moduleController extends module
 		if ($ajax) Context::setRequestMethod('JSON');
 
 		$logged_info = Context::get('logged_info');
-		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return new BaseObject(-1, 'msg_not_permitted');
+		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return $this->setError('msg_not_permitted');
 
 		$vars = Context::gets('addfile','filter');
 		$attributeNames = Context::get('attribute_name');
@@ -1107,7 +1107,7 @@ class moduleController extends module
 			$filter = array_map('trim', explode(',',$vars->filter));
 			if (!in_array($ext, $filter))
 			{
-				return new BaseObject(-1, 'msg_error_occured');
+				return $this->setError('msg_error_occured');
 			}
 		}
 
@@ -1122,10 +1122,10 @@ class moduleController extends module
 		// insert
 		else
 		{
-			if(!Context::isUploaded()) return new BaseObject(-1, 'msg_error_occured');
+			if(!Context::isUploaded()) return $this->setError('msg_error_occured');
 			$addfile = Context::get('addfile');
-			if(!is_uploaded_file($addfile['tmp_name'])) return new BaseObject(-1, 'msg_error_occured');
-			if($vars->addfile['error'] != 0) return new BaseObject(-1, 'msg_error_occured');
+			if(!is_uploaded_file($addfile['tmp_name'])) return $this->setError('msg_error_occured');
+			if($vars->addfile['error'] != 0) return $this->setError('msg_error_occured');
 			$output = $this->insertModuleFileBox($vars);
 		}
 
@@ -1224,10 +1224,10 @@ class moduleController extends module
 	function procModuleFileBoxDelete()
 	{
 		$logged_info = Context::get('logged_info');
-		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return new BaseObject(-1, 'msg_not_permitted');
+		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return $this->setError('msg_not_permitted');
 
 		$module_filebox_srl = Context::get('module_filebox_srl');
-		if(!$module_filebox_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$module_filebox_srl) return $this->setError('msg_invalid_request');
 		$vars = new stdClass();
 		$vars->module_filebox_srl = $module_filebox_srl;
 		$output = $this->deleteModuleFileBox($vars);
diff --git a/modules/module/module.model.php b/modules/module/module.model.php
index c7c6e2a95..57fb56da5 100644
--- a/modules/module/module.model.php
+++ b/modules/module/module.model.php
@@ -2344,7 +2344,7 @@ class moduleModel extends module
 	function getFileBoxListHtml()
 	{
 		$logged_info = Context::get('logged_info');
-		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return new BaseObject(-1, 'msg_not_permitted');
+		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return $this->setError('msg_not_permitted');
 		$link = parse_url($_SERVER["HTTP_REFERER"]);
 		$link_params = explode('&',$link['query']);
 		foreach ($link_params as $param)
diff --git a/modules/module/module.view.php b/modules/module/module.view.php
index 0ea6c6b3f..686846be5 100644
--- a/modules/module/module.view.php
+++ b/modules/module/module.view.php
@@ -123,15 +123,15 @@ class moduleView extends module
 	function dispModuleFileBox()
 	{
 		$logged_info = Context::get('logged_info');
-		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return new BaseObject(-1, 'msg_not_permitted');
+		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return $this->setError('msg_not_permitted');
 
 		$input_name = Context::get('input');
 		if(!preg_match('/^[a-z0-9_]+$/i', $input_name))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
-		if(!$input_name) return new BaseObject(-1, 'msg_not_permitted');
+		if(!$input_name) return $this->setError('msg_not_permitted');
 
 		$addscript = sprintf('<script>//<![CDATA[
 				var selected_filebox_input_name = "%s";
@@ -154,7 +154,7 @@ class moduleView extends module
 	function dispModuleFileBoxAdd()
 	{
 		$logged_info = Context::get('logged_info');
-		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return new BaseObject(-1, 'msg_not_permitted');
+		if($logged_info->is_admin !='Y' && !$logged_info->is_site_admin) return $this->setError('msg_not_permitted');
 
 		$filter = Context::get('filter');
 		if($filter) Context::set('arrfilter',explode(',',$filter));
diff --git a/modules/ncenterlite/ncenterlite.admin.controller.php b/modules/ncenterlite/ncenterlite.admin.controller.php
index 9c9278e2f..9fe6f98e7 100644
--- a/modules/ncenterlite/ncenterlite.admin.controller.php
+++ b/modules/ncenterlite/ncenterlite.admin.controller.php
@@ -78,7 +78,7 @@ class ncenterliteAdminController extends ncenterlite
 		$output = $oModuleController->insertModuleConfig('ncenterlite', $config);
 		if(!$output->toBool())
 		{
-			return new BaseObject(-1, 'ncenterlite_msg_setting_error');
+			return $this->setError('ncenterlite_msg_setting_error');
 		}
 
 		$this->setMessage('success_updated');
diff --git a/modules/ncenterlite/ncenterlite.class.php b/modules/ncenterlite/ncenterlite.class.php
index ab0a707b3..f622030b0 100644
--- a/modules/ncenterlite/ncenterlite.class.php
+++ b/modules/ncenterlite/ncenterlite.class.php
@@ -35,7 +35,7 @@ class ncenterlite extends ModuleObject
 
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	function checkUpdate()
@@ -246,8 +246,6 @@ class ncenterlite extends ModuleObject
 				}
 			}
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	function recompileCache()
diff --git a/modules/ncenterlite/ncenterlite.controller.php b/modules/ncenterlite/ncenterlite.controller.php
index cc6751069..71e0c8afe 100644
--- a/modules/ncenterlite/ncenterlite.controller.php
+++ b/modules/ncenterlite/ncenterlite.controller.php
@@ -9,7 +9,7 @@ class ncenterliteController extends ncenterlite
 		$config = $oNcenterliteModel->getConfig();
 		if($config->user_notify_setting != 'Y')
 		{
-			return new BaseObject(-1, 'msg_not_use_user_setting');
+			return $this->setError('msg_not_use_user_setting');
 		}
 
 		$member_srl = Context::get('member_srl');
@@ -21,7 +21,7 @@ class ncenterliteController extends ncenterlite
 
 		if($logged_info->member_srl != $member_srl && $logged_info->is_admin != 'Y')
 		{
-			return new BaseObject(-1, 'ncenterlite_stop_no_permission_other_user_settings');
+			return $this->setError('ncenterlite_stop_no_permission_other_user_settings');
 		}
 
 		$user_config = $oNcenterliteModel->getUserConfig($member_srl);
@@ -66,7 +66,7 @@ class ncenterliteController extends ncenterlite
 		$member_srl = $obj->member_srl;
 		if(!$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$args = new stdClass();
@@ -80,14 +80,13 @@ class ncenterliteController extends ncenterlite
 		{
 			$this->removeFlagFile($args->member_srl);
 		}
-		return new BaseObject();
 	}
 
 	function triggerAfterInsertDocument(&$obj)
 	{
 		if ($obj->disable_triggers[$this->module] === true)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$oModuleModel = getModel('module');
@@ -109,7 +108,7 @@ class ncenterliteController extends ncenterlite
 		{
 			if(!$mention_targets && !count($mention_targets) || !isset($config->use['mention']))
 			{
-				return new BaseObject();
+				return;
 			}
 
 			$this->insertMentionByTargets($mention_targets, $obj, $module_info, $is_anonymous);
@@ -144,8 +143,6 @@ class ncenterliteController extends ncenterlite
 				}
 			}
 		}
-
-		return new BaseObject();
 	}
 
 	function triggerAfterInsertComment($obj)
@@ -215,7 +212,7 @@ class ncenterliteController extends ncenterlite
 
 		if(!isset($config->use['comment']))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		// 대댓글
@@ -230,13 +227,13 @@ class ncenterliteController extends ncenterlite
 				$parent_member_config = $comment_member_config->data;
 				if($parent_member_config->comment_notify != 'Y')
 				{
-					return new BaseObject();
+					return;
 				}
 			}
 
 			if(is_array($admin_list) && in_array(abs($member_srl), $admin_list) && isset($config->use['admin_content']) && $obj->admin_comment_notify == true)
 			{
-				return new BaseObject();
+				return;
 			}
 
 			if(!in_array(abs($member_srl), $notify_member_srls) && (!Context::get('is_logged') || ($member_srl != 0 && abs($member_srl) != $logged_info->member_srl)))
@@ -270,7 +267,7 @@ class ncenterliteController extends ncenterlite
 
 			if(is_array($admin_list) && in_array(abs($member_srl), $admin_list) && isset($config->use['admin_content']) && $obj->admin_comment_notify == true)
 			{
-				return new BaseObject();
+				return;
 			}
 
 			if($config->user_notify_setting == 'Y')
@@ -279,7 +276,7 @@ class ncenterliteController extends ncenterlite
 				$document_comment_member_config = $comment_member_config->data;
 				if($document_comment_member_config->comment_notify != 'Y')
 				{
-					return new BaseObject();
+					return;
 				}
 			}
 
@@ -303,8 +300,6 @@ class ncenterliteController extends ncenterlite
 				$this->_insertNotify($args, $is_anonymous);
 			}
 		}
-
-		return new BaseObject();
 	}
 
 	function triggerAfterSendMessage($obj)
@@ -315,12 +310,12 @@ class ncenterliteController extends ncenterlite
 
 		if($communication_config->enable_message != 'Y')
 		{
-			return new BaseObject();
+			return;
 		}
 
 		if(!isset($config->use['message']))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		if($config->user_notify_setting == 'Y')
@@ -329,7 +324,7 @@ class ncenterliteController extends ncenterlite
 			$message_member_config = $messages_member_config->data;
 			if($message_member_config->message_notify != 'Y')
 			{
-				return new BaseObject();
+				return;
 			}
 		}
 
@@ -357,12 +352,12 @@ class ncenterliteController extends ncenterlite
 		$config = $oNcenterliteModel->getConfig();
 		if(!isset($config->use['vote']))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		if($obj->point < 0)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$args = new stdClass();
@@ -436,7 +431,7 @@ class ncenterliteController extends ncenterlite
 		$config = $oNcenterliteModel->getConfig();
 		if(empty($config->use))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$notify_list = $oNcenterliteModel->getNotifyMemberSrlByCommentSrl($obj->comment_srl);
@@ -461,8 +456,6 @@ class ncenterliteController extends ncenterlite
 				$this->removeFlagFile($member_srl);
 			}
 		}
-
-		return new BaseObject();
 	}
 
 	function triggerAfterDeleteDocument(&$obj)
@@ -471,7 +464,7 @@ class ncenterliteController extends ncenterlite
 		$config = $oNcenterliteModel->getConfig();
 		if(empty($config->use))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$args = new stdClass();
@@ -481,7 +474,6 @@ class ncenterliteController extends ncenterlite
 		{
 			return $output;
 		}
-		return new BaseObject();
 	}
 
 	function triggerAfterMoveToTrash(&$obj)
@@ -502,7 +494,7 @@ class ncenterliteController extends ncenterlite
 
 		if(empty($config->use))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$args = new stdClass();
@@ -516,7 +508,6 @@ class ncenterliteController extends ncenterlite
 				$this->removeFlagFile($member_srl);
 			}
 		}
-		return new BaseObject();
 	}
 
 	function triggerAfterModuleHandlerProc(&$oModule)
@@ -535,7 +526,7 @@ class ncenterliteController extends ncenterlite
 		// if the array is empty, lets return.
 		if(empty($config->use))
 		{
-			return new BaseObject();
+			return;
 		}
 		$this->_hide_ncenterlite = false;
 		if($oModule->module == 'beluxe' && Context::get('is_modal'))
@@ -709,8 +700,6 @@ class ncenterliteController extends ncenterlite
 				$this->removeFlagFile($args->member_srl);
 			}
 		}
-
-		return new BaseObject();
 	}
 
 	function triggerBeforeDisplay(&$output_display)
@@ -719,30 +708,30 @@ class ncenterliteController extends ncenterlite
 		// 팝업창이면 중지
 		if(Context::get('ncenterlite_is_popup'))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		// 자신의 알림목록을 보고 있을 경우엔 알림센터창을 띄우지 않는다.
 		if($act == 'dispNcenterliteNotifyList')
 		{
-			return new BaseObject();
+			return;
 		}
 
 		if(Context::isLocked())
 		{
-			return new BaseObject();
+			return;
 		}
 
 		// HTML 모드가 아니면 중지 + act에 admin이 포함되어 있으면 중지
 		if(Context::getResponseMethod() != 'HTML' || strpos(strtolower(Context::get('act')), 'admin') !== false)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		// 로그인 상태가 아니면 중지
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$module_info = Context::get('module_info');
@@ -751,7 +740,7 @@ class ncenterliteController extends ncenterlite
 		// admin 모듈이면 중지
 		if($module_info->module == 'admin')
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$oNcenterliteModel = getModel('ncenterlite');
@@ -760,18 +749,18 @@ class ncenterliteController extends ncenterlite
 		// if the array is empty, dose not output the notification.
 		if(empty($config->use))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		if($config->display_use == 'mobile' && !Mobile::isFromMobilePhone() || $config->display_use == 'pc' && Mobile::isFromMobilePhone() || $config->display_use == 'none')
 		{
-			return new BaseObject();
+			return;
 		}
 
 		// 노티바 제외 페이지이면 중지
 		if(in_array($module_info->module_srl, $config->hide_module_srls))
 		{
-			return new BaseObject();
+			return;
 		}
 
 		Context::set('ncenterlite_config', $config);
@@ -785,7 +774,7 @@ class ncenterliteController extends ncenterlite
 		// 알림 메시지가 없어도 항상 표시하게 하려면 이 줄을 제거 또는 주석 처리하세요.
 		if(!$_output->data)
 		{
-			return new BaseObject();
+			return;
 		}
 
 		$_latest_notify_id = array_slice($_output->data, 0, 1);
@@ -794,7 +783,7 @@ class ncenterliteController extends ncenterlite
 
 		if($_COOKIE['_ncenterlite_hide_id'] && $_COOKIE['_ncenterlite_hide_id'] == $_latest_notify_id)
 		{
-			return new BaseObject();
+			return;
 		}
 		setcookie('_ncenterlite_hide_id', '', 0, '/');
 
@@ -847,7 +836,7 @@ class ncenterliteController extends ncenterlite
 			$logged_info = Context::get('logged_info');
 			if(!Context::get('is_logged'))
 			{
-				return new BaseObject();
+				return;
 			}
 			$target_srl = Context::get('target_srl');
 
@@ -865,8 +854,6 @@ class ncenterliteController extends ncenterlite
 		{
 			$oMemberController->addMemberMenu('dispNcenterliteUserConfig', 'ncenterlite_my_settings');
 		}
-
-		return new BaseObject();
 	}
 
 	function _addFile()
@@ -965,7 +952,7 @@ class ncenterliteController extends ncenterlite
 		$logged_info = Context::get('logged_info');
 		if(!Context::get('is_logged'))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$output = $this->updateNotifyReadAll($logged_info->member_srl);
@@ -979,7 +966,7 @@ class ncenterliteController extends ncenterlite
 		$notify = Context::get('notify');
 		if(!$logged_info || !$url || !$notify)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 
 		$output = $this->updateNotifyRead($notify, $logged_info->member_srl);
diff --git a/modules/ncenterlite/ncenterlite.view.php b/modules/ncenterlite/ncenterlite.view.php
index 21fafc895..de38a988d 100644
--- a/modules/ncenterlite/ncenterlite.view.php
+++ b/modules/ncenterlite/ncenterlite.view.php
@@ -45,13 +45,13 @@ class ncenterliteView extends ncenterlite
 		$config = $oNcenterliteModel->getConfig();
 		if($config->user_notify_setting != 'Y')
 		{
-			return new BaseObject(-1, 'msg_not_use_user_setting');
+			return $this->setError('msg_not_use_user_setting');
 		}
 
 		$oMemberModel = getModel('member');
 		$member_srl = Context::get('member_srl');
 		$logged_info = Context::get('logged_info');
-		if(!Context::get('is_logged')) return new BaseObject(-1, 'ncenterlite_stop_login_required');
+		if(!Context::get('is_logged')) return $this->setError('ncenterlite_stop_login_required');
 
 		if($logged_info->is_admin == 'Y')
 		{
@@ -62,7 +62,7 @@ class ncenterliteView extends ncenterlite
 		{
 			if($member_srl != $logged_info->member_srl)
 			{
-				return new BaseObject(-1, 'ncenterlite_stop_no_permission_other_user');
+				return $this->setError('ncenterlite_stop_no_permission_other_user');
 			}
 		}
 		$output = $oNcenterliteModel->getUserConfig($member_srl);
diff --git a/modules/page/page.admin.controller.php b/modules/page/page.admin.controller.php
index 072a0a963..b4a66f846 100644
--- a/modules/page/page.admin.controller.php
+++ b/modules/page/page.admin.controller.php
@@ -131,7 +131,7 @@ class pageAdminController extends page
 	{
 		$module_srl = Context::get('module_srl');
 		$content = Context::get('content');
-		if(!$module_srl) return new BaseObject(-1,'msg_invalid_request');
+		if(!$module_srl) return $this->setError('msg_invalid_request');
 		$mcontent = Context::get('mcontent');
 		$type = Context::get('type');
 		// Guhaeom won information page
@@ -301,7 +301,7 @@ class pageAdminController extends page
 
 		if(!$grant->manager)
 		{
-			return new BaseObject(-1, 'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 
 		$obj = Context::getRequestVars();
diff --git a/modules/page/page.admin.view.php b/modules/page/page.admin.view.php
index 925d39f9b..3b3199f6d 100644
--- a/modules/page/page.admin.view.php
+++ b/modules/page/page.admin.view.php
@@ -186,7 +186,7 @@ class pageAdminView extends page
 		}
 		else
 		{
-			return new BaseObject(-1, sprintf('%s method is not exists', $method));
+			return $this->setError(sprintf('%s method is not exists', $method));
 		}
 
 		Context::set('module_info', $this->module_info);
diff --git a/modules/page/page.class.php b/modules/page/page.class.php
index a91b7f37e..e1bf14d09 100644
--- a/modules/page/page.class.php
+++ b/modules/page/page.class.php
@@ -14,8 +14,6 @@ class page extends ModuleObject
 	{
 		// page generated from the cache directory to use
 		FileHandler::makeDir('./files/cache/page');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -76,7 +74,6 @@ class page extends ModuleObject
 			$skin_args->is_skin_fix = "Y";
 			$ouput = executeQuery('page.updateSkinFix', $skin_args);
 		}
-		return new BaseObject(0,'success_updated');
 	}
 
 	/**
diff --git a/modules/page/page.mobile.php b/modules/page/page.mobile.php
index 60bcf15ac..c7b79b88e 100644
--- a/modules/page/page.mobile.php
+++ b/modules/page/page.mobile.php
@@ -34,7 +34,7 @@ class pageMobile extends pageView
 		$page_type_name = strtolower($this->module_info->page_type);
 		$method = '_get' . ucfirst($page_type_name) . 'Content';
 		if (method_exists($this, $method)) $page_content = $this->{$method}();
-		else return new BaseObject(-1, sprintf('%s method is not exists', $method));
+		else return $this->setError('%s method is not exists', $method);
 
 		Context::set('module_info', $this->module_info);
 		Context::set('page_content', $page_content);
diff --git a/modules/page/page.view.php b/modules/page/page.view.php
index df01700b0..2885e724d 100644
--- a/modules/page/page.view.php
+++ b/modules/page/page.view.php
@@ -51,7 +51,7 @@ class pageView extends page
 		$page_type_name = strtolower($this->module_info->page_type);
 		$method = '_get' . ucfirst($page_type_name) . 'Content';
 		if(method_exists($this, $method)) $page_content = $this->{$method}();
-		else return new BaseObject(-1, sprintf('%s method is not exists', $method));
+		else return $this->setError('%s method is not exists', $method);
 
 		Context::set('module_info', $this->module_info);
 		Context::set('page_content', $page_content);
diff --git a/modules/point/point.admin.controller.php b/modules/point/point.admin.controller.php
index b8a266c5c..d9979a4ba 100644
--- a/modules/point/point.admin.controller.php
+++ b/modules/point/point.admin.controller.php
@@ -170,7 +170,7 @@ class pointAdminController extends point
 	function procPointAdminInsertPointModuleConfig()
 	{
 		$module_srl = Context::get('target_module_srl');
-		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$module_srl) return $this->setError('msg_invalid_request');
 		// In case of batch configuration of several modules
 		if(preg_match('/^([0-9,]+)$/',$module_srl)) $module_srl = explode(',',$module_srl);
 		else $module_srl = array($module_srl);
@@ -341,7 +341,7 @@ class pointAdminController extends point
 		$position = (int)Context::get('position');
 		$total = (int)Context::get('total');
 
-		if(!file_exists('./files/cache/pointRecal.txt')) return new BaseObject(-1, 'msg_invalid_request');
+		if(!file_exists('./files/cache/pointRecal.txt')) return $this->setError('msg_invalid_request');
 
 		$idx = 0;
 		$f = fopen("./files/cache/pointRecal.txt","r");
@@ -384,7 +384,7 @@ class pointAdminController extends point
 	function procPointAdminReset()
 	{
 		$module_srl = Context::get('module_srls');
-		if(!$module_srl) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$module_srl) return $this->setError('msg_invalid_request');
 		// In case of batch configuration of several modules
 		if(preg_match('/^([0-9,]+)$/',$module_srl)) $module_srl = explode(',',$module_srl);
 		else $module_srl = array($module_srl);
diff --git a/modules/point/point.class.php b/modules/point/point.class.php
index 759a6e200..eb3130d0e 100644
--- a/modules/point/point.class.php
+++ b/modules/point/point.class.php
@@ -115,7 +115,6 @@ class point extends ModuleObject
 				$oModuleController->deleteTrigger($trigger[0], $this->module, $trigger[2], $trigger[3], $trigger[1]);
 			}
 		}
-		return new BaseObject(0, 'success_updated');
 	}
 	
 	/**
@@ -158,7 +157,7 @@ class point extends ModuleObject
 		FileHandler::makeDir('./files/member_extra_info/point');
 		
 		// Register triggers.
-		return $this->registerTriggers();
+		$this->registerTriggers();
 	}
 
 	/**
diff --git a/modules/point/point.controller.php b/modules/point/point.controller.php
index 0ae31145d..cf229fc07 100644
--- a/modules/point/point.controller.php
+++ b/modules/point/point.controller.php
@@ -22,20 +22,18 @@ class pointController extends point
 		$member_srl = $obj->member_srl;
 		if (!$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$config = $this->getConfig();
 		$point = intval($config->signup_point);
 		if (!$point)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$cur_point = getModel('point')->getPoint($member_srl, true);
 		$this->setPoint($member_srl, $cur_point + $point, 'signup');
-		
-		return new BaseObject();
 	}
 
 	/**
@@ -46,26 +44,24 @@ class pointController extends point
 		$member_srl = $obj->member_srl;
 		if (!$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Points are given only once a day.
 		if (substr($obj->last_login, 0, 8) === date('Ymd'))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$config = $this->getConfig();
 		$point = intval($config->login_point);
 		if (!$point)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$cur_point = getModel('point')->getPoint($member_srl, true);
 		$this->setPoint($member_srl, $cur_point + $point);
-		
-		return new BaseObject();
 	}
 
 	/**
@@ -82,8 +78,6 @@ class pointController extends point
 			unset($config->point_group[$group_srl]);
 			getController('module')->insertModuleConfig('point', $config);
 		}
-
-		return new BaseObject();
 	}
 	
 	/**
@@ -95,17 +89,17 @@ class pointController extends point
 		$member_srl = abs($obj->member_srl);
 		if (!$module_srl || !$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// The fix to disable giving points for saving the document temporarily
 		if ($module_srl == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		if ($obj->status === getModel('document')->getConfigStatus('temp'))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get the points of the member
@@ -124,7 +118,6 @@ class pointController extends point
 		
 		// Increase the point.
 		$this->setPoint($member_srl, $cur_point);
-		return new BaseObject();
 	}
 
 	/**
@@ -140,7 +133,7 @@ class pointController extends point
 		$member_srl = abs($oDocument->get('member_srl'));
 		if (!$module_srl || !$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Only give points if the document is being updated from TEMP to another status such as PUBLIC.
@@ -153,7 +146,7 @@ class pointController extends point
 				$cur_point += $attached_files_point * ($obj->uploaded_count - $oDocument->get('uploaded_count'));
 				$this->setPoint($member_srl, $cur_point);
 			}
-			return new BaseObject();
+			return;
 		}
 
 		// Get the points of the member
@@ -172,7 +165,6 @@ class pointController extends point
 		
 		// Increase the point.
 		$this->setPoint($member_srl, $cur_point);
-		return new BaseObject();
 	}
 
 	/**
@@ -180,7 +172,7 @@ class pointController extends point
 	 */
 	public function triggerBeforeDeleteDocument($obj)
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -192,17 +184,17 @@ class pointController extends point
 		$member_srl = abs($obj->member_srl);
 		if (!$module_srl || !$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// The fix to disable giving points for saving the document temporarily
 		if ($module_srl == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		if ($obj->status === getModel('document')->getConfigStatus('temp'))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get the points of the member
@@ -217,7 +209,6 @@ class pointController extends point
 		
 		// Increase the point.
 		$this->setPoint($member_srl, $cur_point);
-		return new BaseObject();
 	}
 
 	/**
@@ -229,21 +220,21 @@ class pointController extends point
 		$member_srl = abs($obj->member_srl);
 		if (!$module_srl || !$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Abort if the comment and the document have the same author.
 		$oDocument = getModel('document')->getDocument($obj->document_srl);
 		if (!$oDocument->isExists() || abs($oDocument->get('member_srl')) == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Abort if the document is older than a configured limit.
 		$config = $this->getConfig();
 		if ($config->no_point_date > 0 && ztime($oDocument->get('regdate')) < time() - ($config->no_point_date * 86400))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get the points of the member
@@ -262,7 +253,6 @@ class pointController extends point
 		
 		// Increase the point.
 		$this->setPoint($member_srl, $cur_point);
-		return new BaseObject();
 	}
 
 	/**
@@ -270,7 +260,7 @@ class pointController extends point
 	 */
 	public function triggerUpdateComment($obj)
 	{
-		return new BaseObject();
+		
 	}
 	
 	/**
@@ -282,21 +272,21 @@ class pointController extends point
 		$member_srl = abs($obj->member_srl);
 		if (!$module_srl || !$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Abort if the comment and the document have the same author.
 		$oDocument = getModel('document')->getDocument($obj->document_srl);
 		if (!$oDocument->isExists() || abs($oDocument->get('member_srl')) == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Abort if the document is older than a configured limit.
 		$config = $this->getConfig();
 		if ($config->no_point_date > 0 && ztime($oDocument->get('regdate')) < ztime($obj->regdate) - ($config->no_point_date * 86400))
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get the points of the member
@@ -308,7 +298,6 @@ class pointController extends point
 		
 		// Increase the point.
 		$this->setPoint($member_srl, $cur_point);
-		return new BaseObject();
 	}
 
 	/**
@@ -317,7 +306,7 @@ class pointController extends point
 	 */
 	public function triggerInsertFile($obj)
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -330,7 +319,7 @@ class pointController extends point
 		$member_srl = abs($obj->member_srl);
 		if (!$module_srl || !$member_srl || $obj->isvalid !== 'Y')
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get the points of the member
@@ -342,7 +331,6 @@ class pointController extends point
 		
 		// Update the point.
 		$this->setPoint($member_srl, $cur_point);
-		return new BaseObject();
 	}
 
 	/**
@@ -356,13 +344,13 @@ class pointController extends point
 		
 		if ($member_srl && abs($obj->member_srl) == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$point = $this->_getModulePointConfig($module_srl, 'download_file');
 		if (!$point)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get current points.
@@ -376,7 +364,6 @@ class pointController extends point
 		}
 		
 		// Points will be adjusted after downloading (triggerDownloadFile).
-		return new BaseObject();
 	}
 
 	/**
@@ -390,19 +377,17 @@ class pointController extends point
 		
 		if (!$member_srl || abs($obj->member_srl) == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$point = $this->_getModulePointConfig($module_srl, 'download_file');
 		if (!$point)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$cur_point = getModel('point')->getPoint($member_srl, true);
 		$this->setPoint($member_srl, $cur_point + $point);
-		
-		return new BaseObject();
 	}
 
 	/**
@@ -417,13 +402,13 @@ class pointController extends point
 		$target_member_srl = abs($obj->get('member_srl'));
 		if ($member_srl && $target_member_srl == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$point = $this->_getModulePointConfig($module_srl, 'read_document');
 		if (!$point)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// If the current member has already read this document, do not adjust points again.
@@ -435,7 +420,7 @@ class pointController extends point
 			$output = executeQuery('document.getDocumentReadedLogInfo', $args);
 			if ($output->data->count)
 			{
-				return new BaseObject();
+				return;
 			}
 		}
 		
@@ -465,8 +450,6 @@ class pointController extends point
 			$output = executeQuery('document.insertDocumentReadedLog', $args);
 			$this->setPoint($member_srl, $cur_point + $point);
 		}
-		
-		return new BaseObject();
 	}
 
 	/**
@@ -480,11 +463,11 @@ class pointController extends point
 		$member_srl = abs($obj->member_srl);
 		if ($logged_member_srl && $logged_member_srl == $member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		elseif (!$member_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		// Get current points.
@@ -503,7 +486,7 @@ class pointController extends point
 		$point = $this->_getModulePointConfig($module_srl, $config_key);
 		if (!$point)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		if (isset($obj->cancel) && $obj->cancel)
@@ -512,8 +495,6 @@ class pointController extends point
 		}
 		
 		$this->setPoint($member_srl, $cur_point + $point);
-		
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/point/point.view.php b/modules/point/point.view.php
index 577a4f61f..efcb1d2e9 100644
--- a/modules/point/point.view.php
+++ b/modules/point/point.view.php
@@ -30,7 +30,7 @@ class pointView extends point
 		{
 			$current_module_info = Context::get('current_module_info');
 			$current_module_srl = $current_module_info->module_srl;
-			if(!$current_module_srl) return new BaseObject();
+			if(!$current_module_srl) return;
 		}
 		// Get the configuration information
 		$oModuleModel = getModel('module');
@@ -60,8 +60,6 @@ class pointView extends point
 		$oTemplate = &TemplateHandler::getInstance();
 		$tpl = $oTemplate->compile($this->module_path.'tpl', 'point_module_config');
 		$obj .= $tpl;
-
-		return new BaseObject();
 	}
 }
 /* End of file point.view.php */
diff --git a/modules/poll/poll.admin.model.php b/modules/poll/poll.admin.model.php
index 8146494fd..036a31e8a 100644
--- a/modules/poll/poll.admin.model.php
+++ b/modules/poll/poll.admin.model.php
@@ -61,7 +61,10 @@ class pollAdminModel extends poll
 		{
 			$this->add('document_srl', $oDocument->get('document_srl'));
 		}
-		else return new BaseObject(-1, 'msg_not_founded');
+		else
+		{
+			$this->setError('msg_not_founded');
+		}
 	}
 }
 /* End of file poll.admin.model.php */
diff --git a/modules/poll/poll.class.php b/modules/poll/poll.class.php
index 43315c3be..046248aca 100644
--- a/modules/poll/poll.class.php
+++ b/modules/poll/poll.class.php
@@ -28,8 +28,6 @@ class poll extends ModuleObject
 		$oModuleController->insertTrigger('comment.updateComment', 'poll', 'controller', 'triggerUpdateCommentPoll', 'after');
 		$oModuleController->insertTrigger('document.deleteDocument', 'poll', 'controller', 'triggerDeleteDocumentPoll', 'after');
 		$oModuleController->insertTrigger('comment.deleteComment', 'poll', 'controller', 'triggerDeleteCommentPoll', 'after');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -104,8 +102,6 @@ class poll extends ModuleObject
 		{
 			$oDB->addColumn('poll_item', 'add_user_srl', 'number', 11, 0);
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/poll/poll.controller.php b/modules/poll/poll.controller.php
index 8deb042c2..1b836f226 100644
--- a/modules/poll/poll.controller.php
+++ b/modules/poll/poll.controller.php
@@ -102,7 +102,7 @@ class pollController extends poll
 			}
 		}
 
-		if(!count($args->poll)) return new BaseObject(-1, 'cmd_null_item');
+		if(!count($args->poll)) return $this->setError('cmd_null_item');
 
 		$args->stop_date = $stop_date;
 
@@ -178,12 +178,12 @@ class pollController extends poll
 		$poll_index_srl = (int) Context::get('index_srl');
 		$poll_item_title = Context::get('title');
 
-		if($poll_item_title=='') return new BaseObject(-1,"msg_item_title_cannot_empty");
+		if($poll_item_title=='') return $this->setError("msg_item_title_cannot_empty");
 
 		$logged_info = Context::get('logged_info');
-		if(!$logged_info) return new BaseObject(-1,"msg_cannot_add_item");
+		if(!$logged_info) return $this->setError("msg_cannot_add_item");
 
-		if(!$poll_srl || !$poll_index_srl) return new BaseObject(-1,"msg_invalid_request");
+		if(!$poll_srl || !$poll_index_srl) return $this->setError("msg_invalid_request");
 
 		$args = new stdClass();
 		$args->poll_srl = $poll_srl;
@@ -191,10 +191,10 @@ class pollController extends poll
 		// Get the information related to the survey
 		$columnList = array('poll_type');
 		$output = executeQuery('poll.getPoll', $args, $columnList);
-		if(!$output->data) return new BaseObject(-1,"poll_no_poll_or_deleted_poll");
+		if(!$output->data) return $this->setError("poll_no_poll_or_deleted_poll");
 		$type = $output->data->poll_type;
 
-		if(!$this->isAbletoAddItem($type)) return new BaseObject(-1,"msg_cannot_add_item");
+		if(!$this->isAbletoAddItem($type)) return $this->setError("msg_cannot_add_item");
 
 		if($logged_info->is_admin != 'Y')
 		{
@@ -227,9 +227,9 @@ class pollController extends poll
 		$poll_item_srl = Context::get('item_srl');
 
 		$logged_info = Context::get('logged_info');
-		if(!$logged_info)  return new BaseObject(-1,"msg_cannot_delete_item");
+		if(!$logged_info)  return $this->setError("msg_cannot_delete_item");
 
-		if(!$poll_srl || !$poll_index_srl || !$poll_item_srl) return new BaseObject(-1,"msg_invalid_request");
+		if(!$poll_srl || !$poll_index_srl || !$poll_item_srl) return $this->setError("msg_invalid_request");
 
 		$args = new stdClass();
 		$args->poll_srl = $poll_srl;
@@ -245,11 +245,11 @@ class pollController extends poll
 		// Get the information related to the survey
 		$columnList = array('member_srl');
 		$output = executeQuery('poll.getPoll', $args, $columnList);
-		if(!$output->data) return new BaseObject(-1,"poll_no_poll_or_deleted_poll");
+		if(!$output->data) return $this->setError("poll_no_poll_or_deleted_poll");
 		$poll_member_srl = $output->data->member_srl;
 
-		if($add_user_srl!=$logged_info->member_srl && $poll_member_srl!=$logged_info->member_srl) return new BaseObject(-1,"msg_cannot_delete_item");
-		if($poll_count>0) return new BaseObject(-1,"msg_cannot_delete_item_poll_exist");
+		if($add_user_srl!=$logged_info->member_srl && $poll_member_srl!=$logged_info->member_srl) return $this->setError("msg_cannot_delete_item");
+		if($poll_count>0) return $this->setError("msg_cannot_delete_item_poll_exist");
 
 		$oDB = &DB::getInstance();
 		$oDB->begin();
@@ -280,9 +280,9 @@ class pollController extends poll
 		// Get the information related to the survey
 		$columnList = array('poll_count', 'stop_date','poll_type');
 		$output = executeQuery('poll.getPoll', $args, $columnList);
-		if(!$output->data) return new BaseObject(-1,"poll_no_poll_or_deleted_poll");
+		if(!$output->data) return $this->setError("poll_no_poll_or_deleted_poll");
 
-		if($output->data->stop_date < date("Ymd")) return new BaseObject(-1,"msg_cannot_vote");
+		if($output->data->stop_date < date("Ymd")) return $this->setError("msg_cannot_vote");
 
 		$columnList = array('checkcount');
 		$output = executeQuery('poll.getPollTitle', $args, $columnList);
@@ -290,7 +290,7 @@ class pollController extends poll
 
 		$poll_srl_indexes = Context::get('poll_srl_indexes');
 		$tmp_item_srls = explode(',',$poll_srl_indexes);
-		//if(count($tmp_item_srls)-1>(int)$output->data->checkcount) return new BaseObject(-1,"msg_exceed_max_select");
+		//if(count($tmp_item_srls)-1>(int)$output->data->checkcount) return $this->setError("msg_exceed_max_select");
 		for($i=0;$i<count($tmp_item_srls);$i++)
 		{
 			$srl = (int)trim($tmp_item_srls[$i]);
@@ -299,10 +299,10 @@ class pollController extends poll
 		}
 
 		// If there is no response item, display an error
-		if(!count($item_srls)) return new BaseObject(-1, 'msg_check_poll_item');
+		if(!count($item_srls)) return $this->setError('msg_check_poll_item');
 		// Make sure is the poll has already been taken
 		$oPollModel = getModel('poll');
-		if($oPollModel->isPolled($poll_srl)) return new BaseObject(-1, 'msg_already_poll');
+		if($oPollModel->isPolled($poll_srl)) return $this->setError('msg_already_poll');
 
 		$oDB = &DB::getInstance();
 		$oDB->begin();
@@ -382,7 +382,7 @@ class pollController extends poll
 	 */
 	function procPollGetList()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		$pollSrls = Context::get('poll_srls');
 		if($pollSrls) $pollSrlList = explode(',', $pollSrls);
 
@@ -419,7 +419,6 @@ class pollController extends poll
 	function triggerInsertDocumentPoll(&$obj)
 	{
 		$this->syncPoll($obj->document_srl, $obj->content);
-		return new BaseObject();
 	}
 
 	/**
@@ -428,7 +427,6 @@ class pollController extends poll
 	function triggerInsertCommentPoll(&$obj)
 	{
 		$this->syncPoll($obj->comment_srl, $obj->content);
-		return new BaseObject();
 	}
 
 	/**
@@ -437,7 +435,6 @@ class pollController extends poll
 	function triggerUpdateDocumentPoll(&$obj)
 	{
 		$this->syncPoll($obj->document_srl, $obj->content);
-		return new BaseObject();
 	}
 
 	/**
@@ -446,7 +443,6 @@ class pollController extends poll
 	function triggerUpdateCommentPoll(&$obj)
 	{
 		$this->syncPoll($obj->comment_srl, $obj->content);
-		return new BaseObject();
 	}
 
 	/**
@@ -455,15 +451,15 @@ class pollController extends poll
 	function triggerDeleteDocumentPoll(&$obj)
 	{
 		$document_srl = $obj->document_srl;
-		if(!$document_srl) return new BaseObject();
+		if(!$document_srl) return;
 		// Get the poll
 		$args = new stdClass();
 		$args->upload_target_srl = $document_srl;
 		$output = executeQuery('poll.getPollByTargetSrl', $args);
-		if(!$output->data) return new BaseObject();
+		if(!$output->data) return;
 
 		$poll_srl = $output->data->poll_srl;
-		if(!$poll_srl) return new BaseObject();
+		if(!$poll_srl) return;
 
 		$args->poll_srl = $poll_srl;
 
@@ -478,8 +474,6 @@ class pollController extends poll
 
 		$output = executeQuery('poll.deletePollLog', $args);
 		if(!$output->toBool()) return $output;
-
-		return new BaseObject();
 	}
 
 	/**
@@ -488,15 +482,15 @@ class pollController extends poll
 	function triggerDeleteCommentPoll(&$obj)
 	{
 		$comment_srl = $obj->comment_srl;
-		if(!$comment_srl) return new BaseObject();
+		if(!$comment_srl) return;
 		// Get the poll
 		$args = new stdClass();
 		$args->upload_target_srl = $comment_srl;
 		$output = executeQuery('poll.getPollByTargetSrl', $args);
-		if(!$output->data) return new BaseObject();
+		if(!$output->data) return;
 
 		$poll_srl = $output->data->poll_srl;
-		if(!$poll_srl) return new BaseObject();
+		if(!$poll_srl) return;
 
 		$args->poll_srl = $poll_srl;
 
@@ -511,8 +505,6 @@ class pollController extends poll
 
 		$output = executeQuery('poll.deletePollLog', $args);
 		if(!$output->toBool()) return $output;
-
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/poll/poll.model.php b/modules/poll/poll.model.php
index 8005bc649..2c8a29185 100644
--- a/modules/poll/poll.model.php
+++ b/modules/poll/poll.model.php
@@ -23,13 +23,13 @@ class pollModel extends poll
 		$args->poll_srl = intval($poll_srl);
 		$logged_info = Context::get('logged_info');
 
-		if(!$args->poll_srl || $args->poll_srl === 0) return new BaseObject(-1,"poll_no_poll_srl");
+		if(!$args->poll_srl || $args->poll_srl === 0) return $this->setError("poll_no_poll_srl");
 
 		// Get the information related to the survey
 		$columnList = array('poll_count', 'stop_date','poll_type','member_srl');
 		$output = executeQuery('poll.getPoll', $args, $columnList);
 		$poll_member_srl = $output->data->member_srl;
-		if(!$output->data) return new BaseObject(-1,"poll_no_poll_or_deleted_poll");
+		if(!$output->data) return $this->setError("poll_no_poll_or_deleted_poll");
 
 		$poll = new stdClass;
 
@@ -96,7 +96,7 @@ class pollModel extends poll
 		$poll_srl = Context::get('poll_srl');
 		$poll_item = Context::get('poll_item');
 
-		if(!$poll_srl || $poll_srl=='') return new BaseObject(-1,"poll_no_poll_srl");
+		if(!$poll_srl || $poll_srl=='') return $this->setError("poll_no_poll_srl");
 
 		$args->poll_srl = $poll_srl;
 		$args->poll_item_srl = $poll_item;
@@ -104,7 +104,7 @@ class pollModel extends poll
 		// Get the information related to the survey
 		$columnList = array('poll_type');
 		$output = executeQuery('poll.getPoll', $args, $columnList);
-		if(!$output->data) return new BaseObject(-1,"poll_no_poll_or_deleted_poll");
+		if(!$output->data) return $this->setError("poll_no_poll_or_deleted_poll");
 		$type = $output->data->poll_type;
 
 		$poll = new stdClass();
@@ -176,7 +176,7 @@ class pollModel extends poll
 	public function getPollstatus()
 	{
 		$poll_srl = Context::get('poll_srl');
-		if(!$poll_srl || $poll_srl=='') return new BaseObject(-1,"poll_no_poll_srl");
+		if(!$poll_srl || $poll_srl=='') return $this->setError("poll_no_poll_srl");
 
 		if($this->isPolled($poll_srl)) $is_polled = 1;
 		else $is_polled = 0;
diff --git a/modules/rss/rss.admin.controller.php b/modules/rss/rss.admin.controller.php
index 78463d498..4de1985fa 100644
--- a/modules/rss/rss.admin.controller.php
+++ b/modules/rss/rss.admin.controller.php
@@ -70,7 +70,7 @@ class rssAdminController extends rss
 		
 		if(isset($msg['error']))
 		{
-			return new BaseObject(-1, $msg['error']);
+			return $this->setError($msg['error']);
 		}
 		else
 		{
@@ -98,7 +98,7 @@ class rssAdminController extends rss
 		
 		if(!count($target_module_srls))
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		foreach($target_module_srls as $module_srl)
@@ -144,7 +144,7 @@ class rssAdminController extends rss
 		$config = getModel('rss')->getConfig();
 		if(!$config->image)
 		{
-			return new BaseObject(-1, 'msg_invalid_request');
+			return $this->setError('msg_invalid_request');
 		}
 		
 		FileHandler::removeFile($config->image);
diff --git a/modules/rss/rss.class.php b/modules/rss/rss.class.php
index 12c917778..ab464c433 100644
--- a/modules/rss/rss.class.php
+++ b/modules/rss/rss.class.php
@@ -31,7 +31,6 @@ class rss extends ModuleObject
 	function moduleInstall()
 	{
 		$this->moduleUpdate();
-		return new BaseObject();
 	}
 	
 	/**
@@ -105,12 +104,11 @@ class rss extends ModuleObject
 				$oModuleController->deleteTrigger($trigger[0], $trigger[1], $trigger[2], $trigger[3], $trigger[4]);
 			}
 		}
-		
-		return new BaseObject(0, 'success_updated');
 	}
 	
 	function recompileCache()
 	{
+		
 	}
 }
 /* End of file rss.class.php */
diff --git a/modules/rss/rss.controller.php b/modules/rss/rss.controller.php
index 28337e598..152e2ed77 100644
--- a/modules/rss/rss.controller.php
+++ b/modules/rss/rss.controller.php
@@ -18,7 +18,7 @@ class rssController extends rss
 	{
 		if(!$current_module_srl = Context::get('current_module_info')->module_srl)
 		{
-			return new BaseObject();
+			return;
 		}
 		
 		$oRssModel = getModel('rss');
@@ -36,8 +36,6 @@ class rssController extends rss
 			Context::set('rss_url', $oRssModel->getRssURL('rss', Context::get('mid')));
 			Context::set('atom_url', $oRssModel->getRssURL('atom', Context::get('mid')));
 		}
-		
-		return new BaseObject();
 	}
 	
 	/**
diff --git a/modules/rss/rss.view.php b/modules/rss/rss.view.php
index 23e007a76..c16de284c 100644
--- a/modules/rss/rss.view.php
+++ b/modules/rss/rss.view.php
@@ -201,7 +201,7 @@ class rssView extends rss
 		{
 			if(!$current_module_srl = Context::get('current_module_info')->module_srl)
 			{
-				return new BaseObject();
+				return;
 			}
 		}
 		
@@ -210,8 +210,6 @@ class rssView extends rss
 		
 		// Add output after compile template
 		$output .= TemplateHandler::getInstance()->compile($this->module_path . 'tpl', 'rss_module_config');
-		
-		return new BaseObject();
 	}
 }
 /* End of file rss.view.php */
diff --git a/modules/session/session.class.php b/modules/session/session.class.php
index f10cf2e85..e0ba46515 100644
--- a/modules/session/session.class.php
+++ b/modules/session/session.class.php
@@ -25,8 +25,6 @@ class session extends ModuleObject
 	{
 		$oDB = &DB::getInstance();
 		$oDB->addIndex("session","idx_session_update_mid", array("member_srl","last_update","cur_mid"));
-
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/spamfilter/spamfilter.admin.controller.php b/modules/spamfilter/spamfilter.admin.controller.php
index ed4b8f928..463a0d4a1 100644
--- a/modules/spamfilter/spamfilter.admin.controller.php
+++ b/modules/spamfilter/spamfilter.admin.controller.php
@@ -151,7 +151,7 @@ class spamfilterAdminController extends spamfilter
 			
 			if (mb_strlen($word, 'UTF-8') < 2 || mb_strlen($word, 'UTF-8') > 40)
 			{
-				return new BaseObject(-1, 'msg_invalid_word');
+				return $this->setError('msg_invalid_word');
 			}
 			
 			$args = new stdClass;
diff --git a/modules/spamfilter/spamfilter.class.php b/modules/spamfilter/spamfilter.class.php
index 212d4a789..c9e512de5 100644
--- a/modules/spamfilter/spamfilter.class.php
+++ b/modules/spamfilter/spamfilter.class.php
@@ -23,8 +23,6 @@ class spamfilter extends ModuleObject
 		$oModuleController->insertTrigger('document.updateDocument', 'spamfilter', 'controller', 'triggerInsertDocument', 'before');
 		// 2013-11-14 The trigger which try to perform spam filtering when new message are registered
 		$oModuleController->insertTrigger('communication.sendMessage', 'spamfilter', 'controller', 'triggerSendMessage', 'before');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -104,8 +102,6 @@ class spamfilter extends ModuleObject
 		{
 			$oDB->addColumn('spamfilter_denied_ip','description','varchar', 250);
 		}
-
-		return new BaseObject(0,'success_updated');
 	}
 
 	/**
diff --git a/modules/spamfilter/spamfilter.controller.php b/modules/spamfilter/spamfilter.controller.php
index 50c22765b..d4319e3a7 100644
--- a/modules/spamfilter/spamfilter.controller.php
+++ b/modules/spamfilter/spamfilter.controller.php
@@ -27,7 +27,7 @@ class spamfilterController extends spamfilter
 	 */
 	function triggerInsertDocument(&$obj)
 	{
-		if($_SESSION['avoid_log']) return new BaseObject();
+		if($_SESSION['avoid_log']) return;
 		// Check the login status, login information, and permission
 		$is_logged = Context::get('is_logged');
 		$logged_info = Context::get('logged_info');
@@ -35,8 +35,8 @@ class spamfilterController extends spamfilter
 		// In case logged in, check if it is an administrator
 		if($is_logged)
 		{
-			if($logged_info->is_admin == 'Y') return new BaseObject();
-			if($grant->manager) return new BaseObject();
+			if($logged_info->is_admin == 'Y') return;
+			if($grant->manager) return;
 		}
 
 		$oFilterModel = getModel('spamfilter');
@@ -67,8 +67,6 @@ class spamfilterController extends spamfilter
 		}
 		// Save a log
 		$this->insertLog();
-
-		return new BaseObject();
 	}
 
 	/**
@@ -76,7 +74,7 @@ class spamfilterController extends spamfilter
 	 */
 	function triggerInsertComment(&$obj)
 	{
-		if($_SESSION['avoid_log']) return new BaseObject();
+		if($_SESSION['avoid_log']) return;
 		// Check the login status, login information, and permission
 		$is_logged = Context::get('is_logged');
 		$logged_info = Context::get('logged_info');
@@ -84,8 +82,8 @@ class spamfilterController extends spamfilter
 		// In case logged in, check if it is an administrator
 		if($is_logged)
 		{
-			if($logged_info->is_admin == 'Y') return new BaseObject();
-			if($grant->manager) return new BaseObject();
+			if($logged_info->is_admin == 'Y') return;
+			if($grant->manager) return;
 		}
 
 		$oFilterModel = getModel('spamfilter');
@@ -113,8 +111,6 @@ class spamfilterController extends spamfilter
 		unset($obj->__isupdate);
 		// Save a log
 		$this->insertLog();
-
-		return new BaseObject();
 	}
 
 	/**
@@ -122,7 +118,7 @@ class spamfilterController extends spamfilter
 	 */
 	function triggerInsertTrackback(&$obj)
 	{
-		if($_SESSION['avoid_log']) return new BaseObject();
+		if($_SESSION['avoid_log']) return;
 
 		$oFilterModel = getModel('spamfilter');
 		// Confirm if the trackbacks have been added more than once to your document
@@ -150,8 +146,6 @@ class spamfilterController extends spamfilter
 				return new BaseObject(-1, 'msg_alert_trackback_denied');
 			}
 		}
-
-		return new BaseObject();
 	}
 
 	/**
@@ -211,10 +205,10 @@ class spamfilterController extends spamfilter
 	 */
 	function triggerSendMessage(&$obj)
 	{
-		if($_SESSION['avoid_log']) return new BaseObject();
+		if($_SESSION['avoid_log']) return;
 
 		$logged_info = Context::get('logged_info');
-		if($logged_info->is_admin == 'Y') return new BaseObject();
+		if($logged_info->is_admin == 'Y') return;
 
 		$oFilterModel = getModel('spamfilter');
 		// Check if the IP is prohibited
@@ -229,8 +223,6 @@ class spamfilterController extends spamfilter
 		if(!$output->toBool()) return $output;
 		// Save a log
 		$this->insertLog();
-
-		return new BaseObject();
 	}
 
 	/**
diff --git a/modules/tag/tag.class.php b/modules/tag/tag.class.php
index 2a7d96395..a79b95e38 100644
--- a/modules/tag/tag.class.php
+++ b/modules/tag/tag.class.php
@@ -24,8 +24,6 @@ class tag extends ModuleObject
 		$oModuleController->insertTrigger('document.deleteDocument', 'tag', 'controller', 'triggerDeleteTag', 'after');
 		// 2007. 10. 17 modules are deleted when you delete all registered triggers that add tag
 		$oModuleController->insertTrigger('module.deleteModule', 'tag', 'controller', 'triggerDeleteModuleTags', 'after');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -78,8 +76,6 @@ class tag extends ModuleObject
 		// tag in the index column of the table tag
 		if(!$oDB->isIndexExists("tags","idx_tag")) 
 			$oDB->addIndex("tags","idx_tag", array("document_srl","tag"));
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/tag/tag.controller.php b/modules/tag/tag.controller.php
index c7c69a607..ff030d731 100644
--- a/modules/tag/tag.controller.php
+++ b/modules/tag/tag.controller.php
@@ -19,7 +19,7 @@ class tagController extends tag
 	 */
 	function triggerArrangeTag(&$obj)
 	{
-		if(!$obj->tags) return new BaseObject();
+		if(!$obj->tags) return;
 		// tags by variable
 		$arranged_tag_list = array();
 		$tag_list = explode(',', $obj->tags);
@@ -39,7 +39,6 @@ class tagController extends tag
 		{
 			$obj->tags = implode(',', $arranged_tag_list);
 		}
-		return new BaseObject();
 	}
 
 	/**
@@ -51,7 +50,7 @@ class tagController extends tag
 		$module_srl = $obj->module_srl;
 		$document_srl = $obj->document_srl;
 		$tags = $obj->tags;
-		if(!$document_srl) return new BaseObject();
+		if(!$document_srl) return;
 		// Remove all tags that article
 		$output = $this->triggerDeleteTag($obj);
 		if(!$output->toBool()) return $output;
@@ -68,8 +67,6 @@ class tagController extends tag
 			$output = executeQuery('tag.insertTag', $args);
 			if(!$output->toBool()) return $output;
 		}
-
-		return new BaseObject();
 	}
 
 	/**
@@ -79,7 +76,7 @@ class tagController extends tag
 	function triggerDeleteTag(&$obj)
 	{
 		$document_srl = $obj->document_srl;
-		if(!$document_srl) return new BaseObject();
+		if(!$document_srl) return;
 
 		$args = new stdClass();
 		$args->document_srl = $document_srl;
@@ -92,7 +89,7 @@ class tagController extends tag
 	function triggerDeleteModuleTags(&$obj)
 	{
 		$module_srl = $obj->module_srl;
-		if(!$module_srl) return new BaseObject();
+		if(!$module_srl) return;
 
 		$oTagController = getAdminController('tag');
 		return $oTagController->deleteModuleTags($module_srl);
diff --git a/modules/trash/trash.admin.controller.php b/modules/trash/trash.admin.controller.php
index cf4f98a68..81b3aa4ec 100644
--- a/modules/trash/trash.admin.controller.php
+++ b/modules/trash/trash.admin.controller.php
@@ -59,9 +59,9 @@ class trashAdminController extends trash
 
 		//module relation data delete...
 		$output = $this->_relationDataDelete($isAll, $is_type, $trashSrls);
-		if(!$output->toBool()) return new BaseObject(-1, $output->message);
+		if(!$output->toBool()) return $this->setError($output->message);
 
-		if(!$this->_emptyTrash($trashSrls)) return new BaseObject(-1, $lang->fail_empty);
+		if(!$this->_emptyTrash($trashSrls)) return $this->setError($lang->fail_empty);
 
 		$this->setMessage('success_deleted', 'info');
 
@@ -84,10 +84,9 @@ class trashAdminController extends trash
 			$args = new stdClass();
 			$args->originModule = $is_type;
 			$output = $oTrashModel->getTrashAllList($args);
-
 			if(!$output->toBool())
 			{
-				return new BaseObject(-1, $output->message);
+				return $output;
 			}
 
 			if(is_array($output->data))
@@ -105,7 +104,7 @@ class trashAdminController extends trash
 			$output = $oTrashModel->getTrashList($args);
 			if(!$output->toBool())
 			{
-				return new BaseObject(-1, $output->message);
+				return $output;
 			}
 		}
 
@@ -115,20 +114,21 @@ class trashAdminController extends trash
 			{
 				//class file check
 				$classPath = ModuleHandler::getModulePath($oTrashVO->getOriginModule());
-				if(!is_dir(FileHandler::getRealPath($classPath))) return new BaseObject(-1, 'not exist restore module directory');
+				if(!is_dir(FileHandler::getRealPath($classPath))) return $this->setError('not exist restore module directory');
 
 				$classFile = sprintf('%s%s.admin.controller.php', $classPath, $oTrashVO->getOriginModule());
 				$classFile = FileHandler::getRealPath($classFile);
-				if(!file_exists($classFile)) return new BaseObject(-1, 'not exist restore module class file');
+				if(!file_exists($classFile)) return $this->setError('not exist restore module class file');
 
 				$oAdminController = getAdminController($oTrashVO->getOriginModule());
-				if(!method_exists($oAdminController, 'emptyTrash')) return new BaseObject(-1, 'not exist restore method in module class file');
+				if(!method_exists($oAdminController, 'emptyTrash')) return $this->setError('not exist restore method in module class file');
 
 				$output2 = $oAdminController->emptyTrash($oTrashVO->getSerializedObject());
-				if(!$output2->toBool()) return new BaseObject(-1, $output2->message);
+				if(!$output2->toBool()) return $output;
 			}
 		}
-		return new BaseObject(0, lang('success_deleted'));
+		
+		return new BaseObject(0, 'success_deleted');
 	}
 
 	/**
@@ -150,18 +150,18 @@ class trashAdminController extends trash
 			{
 				$oTrashModel = getModel('trash');
 				$output = $oTrashModel->getTrash($value);
-				if(!$output->toBool()) return new BaseObject(-1, $output->message);
+				if(!$output->toBool()) return $output;
 
 				//class file check
 				$classPath = ModuleHandler::getModulePath($output->data->getOriginModule());
-				if(!is_dir(FileHandler::getRealPath($classPath))) return new BaseObject(-1, 'not exist restore module directory');
+				if(!is_dir(FileHandler::getRealPath($classPath))) return $this->setError('not exist restore module directory');
 
 				$classFile = sprintf('%s%s.admin.controller.php', $classPath, $output->data->getOriginModule());
 				$classFile = FileHandler::getRealPath($classFile);
-				if(!file_exists($classFile)) return new BaseObject(-1, 'not exist restore module class file');
+				if(!file_exists($classFile)) return $this->setError('not exist restore module class file');
 
 				$oAdminController = getAdminController($output->data->getOriginModule());
-				if(!method_exists($oAdminController, 'restoreTrash')) return new BaseObject(-1, 'not exist restore method in module class file');
+				if(!method_exists($oAdminController, 'restoreTrash')) return $this->setError('not exist restore method in module class file');
 
 				$originObject = unserialize($output->data->getSerializedObject());
 				$output = $oAdminController->restoreTrash($originObject);
@@ -169,14 +169,14 @@ class trashAdminController extends trash
 				if(!$output->toBool())
 				{
 					$oDB->rollback();
-					return new BaseObject(-1, $output->message);
+					return $output;
 				}
 			}
 
 			// restore object delete in trash box
 			if(!$this->_emptyTrash($trashSrlList)) {
 				$oDB->rollback();
-				return new BaseObject(-1, $lang->fail_empty);
+				return $this->setError($lang->fail_empty);
 			}
 			$oDB->commit();
 		}
@@ -193,7 +193,7 @@ class trashAdminController extends trash
 	 */
 	function procTrashAdminGetList()
 	{
-		if(!Context::get('is_logged')) return new BaseObject(-1,'msg_not_permitted');
+		if(!Context::get('is_logged')) return $this->setError('msg_not_permitted');
 		$trashSrls = Context::get('trash_srls');
 		if($trashSrls) $trashSrlList = explode(',', $trashSrls);
 
diff --git a/modules/trash/trash.admin.view.php b/modules/trash/trash.admin.view.php
index 8a40b8a8e..f7e07fe0a 100644
--- a/modules/trash/trash.admin.view.php
+++ b/modules/trash/trash.admin.view.php
@@ -98,7 +98,7 @@ class trashAdminView extends trash
 
 		$oTrashModel = getModel('trash');
 		$output = $oTrashModel->getTrash($trash_srl);
-		if(!$output->data->getTrashSrl()) return new BaseObject(-1, 'msg_invalid_request');
+		if(!$output->data->getTrashSrl()) return $this->setError('msg_invalid_request');
 
 		$originObject = unserialize($output->data->getSerializedObject());
 		if(is_array($originObject)) $originObject = (object)$originObject;
diff --git a/modules/trash/trash.class.php b/modules/trash/trash.class.php
index 824bd61ae..ea025f69a 100644
--- a/modules/trash/trash.class.php
+++ b/modules/trash/trash.class.php
@@ -18,7 +18,7 @@ class trash extends ModuleObject
 	 */
 	function moduleInstall()
 	{
-		return new BaseObject();
+		
 	}
 
 	/**
@@ -27,9 +27,6 @@ class trash extends ModuleObject
 	 */
 	function checkUpdate()
 	{
-		//$oDB = &DB::getInstance();
-		//$oModuleModel = getModel('module');
-
 		return false;
 	}
 
@@ -39,10 +36,7 @@ class trash extends ModuleObject
 	 */
 	function moduleUpdate()
 	{
-		//$oDB = &DB::getInstance();
-		//$oModuleModel = getModel('module');
-
-		return new BaseObject(0,'success_updated');
+		
 	}
 }
 /* End of file trash.class.php */
diff --git a/modules/widget/widget.class.php b/modules/widget/widget.class.php
index 85ced1507..07389296e 100644
--- a/modules/widget/widget.class.php
+++ b/modules/widget/widget.class.php
@@ -18,8 +18,6 @@ class widget extends ModuleObject
 		// Add this widget compile the trigger for the display.after
 		$oModuleController = getController('module');
 		$oModuleController->insertTrigger('display', 'widget', 'controller', 'triggerWidgetCompile', 'before');
-
-		return new BaseObject();
 	}
 
 	/**
@@ -46,8 +44,6 @@ class widget extends ModuleObject
 		{
 			$oModuleController->insertTrigger('display', 'widget', 'controller', 'triggerWidgetCompile', 'before');
 		}
-
-		return new BaseObject(0, 'success_updated');
 	}
 
 	/**
diff --git a/modules/widget/widget.controller.php b/modules/widget/widget.controller.php
index 7d02fe06b..c86f669ff 100644
--- a/modules/widget/widget.controller.php
+++ b/modules/widget/widget.controller.php
@@ -47,8 +47,8 @@ class widgetController extends widget
 	function procWidgetGenerateCode()
 	{
 		$widget = Context::get('selected_widget');
-		if(!$widget) return new BaseObject(-1,'msg_invalid_request');
-		if(!Context::get('skin')) return new BaseObject(-1,lang('msg_widget_skin_is_null'));
+		if(!$widget) return $this->setError('msg_invalid_request');
+		if(!Context::get('skin')) return $this->setError('msg_widget_skin_is_null');
 
 		$attribute = $this->arrangeWidgetVars($widget, Context::getRequestVars(), $vars);
 
@@ -63,9 +63,9 @@ class widgetController extends widget
 	function procWidgetGenerateCodeInPage()
 	{
 		$widget = Context::get('selected_widget');
-		if(!$widget) return new BaseObject(-1,'msg_invalid_request');
+		if(!$widget) return $this->setError('msg_invalid_request');
 
-		if(!in_array($widget,array('widgetBox','widgetContent')) && !Context::get('skin')) return new BaseObject(-1,lang('msg_widget_skin_is_null'));
+		if(!in_array($widget,array('widgetBox','widgetContent')) && !Context::get('skin')) return $this->setError('msg_widget_skin_is_null');
 
 		$attribute = $this->arrangeWidgetVars($widget, Context::getRequestVars(), $vars);
 		// Wanted results
@@ -112,18 +112,18 @@ class widgetController extends widget
 		$page_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl, $columnList);
 		if(!$page_info->module_srl || $page_info->module != 'page') $err++;
 
-		if($err > 1) return new BaseObject(-1,'msg_invalid_request');
+		if($err > 1) return $this->setError('msg_invalid_request');
 		
 		// Check permissions
 		$logged_info = Context::get('logged_info');
 		if (!$logged_info->member_srl)
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		$module_grant = $oModuleModel->getGrant($page_info, $logged_info);
 		if (!$module_grant->manager)
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		// Enter post
@@ -167,25 +167,25 @@ class widgetController extends widget
 		$oDocumentAdminController = getAdminController('document');
 
 		$oDocument = $oDocumentModel->getDocument($document_srl);
-		if(!$oDocument->isExists()) return new BaseObject(-1,'msg_invalid_request');
+		if(!$oDocument->isExists()) return $this->setError('msg_invalid_request');
 		$module_srl = $oDocument->get('module_srl');
 		
 		// Destination Information Wanted page module
 		$oModuleModel = getModel('module');
 		$columnList = array('module_srl', 'module');
 		$page_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl, $columnList);
-		if(!$page_info->module_srl || $page_info->module != 'page') return new BaseObject(-1,'msg_invalid_request');
+		if(!$page_info->module_srl || $page_info->module != 'page') return $this->setError('msg_invalid_request');
 		
 		// Check permissions
 		$logged_info = Context::get('logged_info');
 		if (!$logged_info->member_srl)
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		$module_grant = $oModuleModel->getGrant($page_info, $logged_info);
 		if (!$module_grant->manager)
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		$output = $oDocumentAdminController->copyDocumentModule(array($oDocument->get('document_srl')), $oDocument->get('module_srl'),0);
@@ -208,24 +208,24 @@ class widgetController extends widget
 		$oDocumentController = getController('document');
 
 		$oDocument = $oDocumentModel->getDocument($document_srl);
-		if(!$oDocument->isExists()) return new BaseObject();
+		if(!$oDocument->isExists()) return;
 		$module_srl = $oDocument->get('module_srl');
 		
 		// Destination Information Wanted page module
 		$oModuleModel = getModel('module');
 		$page_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
-		if(!$page_info->module_srl || $page_info->module != 'page') return new BaseObject(-1,'msg_invalid_request');
+		if(!$page_info->module_srl || $page_info->module != 'page') return $this->setError('msg_invalid_request');
 		
 		// Check permissions
 		$logged_info = Context::get('logged_info');
 		if (!$logged_info->member_srl)
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		$module_grant = $oModuleModel->getGrant($page_info, $logged_info);
 		if (!$module_grant->manager)
 		{
-			return new BaseObject(-1,'msg_not_permitted');
+			return $this->setError('msg_not_permitted');
 		}
 		
 		$output = $oDocumentController->deleteDocument($oDocument->get('document_srl'));
@@ -246,9 +246,8 @@ class widgetController extends widget
 	 */
 	function triggerWidgetCompile(&$content)
 	{
-		if(Context::getResponseMethod()!='HTML') return new BaseObject();
+		if(Context::getResponseMethod()!='HTML') return;
 		$content = $this->transWidgetCode($content, $this->layout_javascript_mode);
-		return new BaseObject();
 	}
 
 	/**