diff --git a/modules/admin/admin.admin.controller.php b/modules/admin/admin.admin.controller.php
index 80c7c3d67..21259f0d5 100644
--- a/modules/admin/admin.admin.controller.php
+++ b/modules/admin/admin.admin.controller.php
@@ -477,7 +477,7 @@ class adminAdminController extends admin
 		}
 		else
 		{
-			return $this->setError('fail_to_delete');
+			throw new Rhymix\Framework\Exception('fail_to_delete');
 		}
 		$this->setMessage('success_deleted');
 	}
@@ -501,7 +501,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('use_sso', $vars->use_sso === 'Y');
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -521,19 +521,19 @@ class adminAdminController extends admin
 		// Validate the mail sender's information.
 		if (!$vars->mail_default_name)
 		{
-			return $this->setError('msg_advanced_mailer_sender_name_is_empty');
+			throw new Rhymix\Framework\Exception('msg_advanced_mailer_sender_name_is_empty');
 		}
 		if (!$vars->mail_default_from)
 		{
-			return $this->setError('msg_advanced_mailer_sender_email_is_empty');
+			throw new Rhymix\Framework\Exception('msg_advanced_mailer_sender_email_is_empty');
 		}
 		if (!Mail::isVaildMailAddress($vars->mail_default_from))
 		{
-			return $this->setError('msg_advanced_mailer_sender_email_is_invalid');
+			throw new Rhymix\Framework\Exception('msg_advanced_mailer_sender_email_is_invalid');
 		}
 		if ($vars->mail_default_reply_to && !Mail::isVaildMailAddress($vars->mail_default_reply_to))
 		{
-			return $this->setError('msg_advanced_mailer_reply_to_is_invalid');
+			throw new Rhymix\Framework\Exception('msg_advanced_mailer_reply_to_is_invalid');
 		}
 		
 		// Validate the mail driver.
@@ -541,7 +541,7 @@ class adminAdminController extends admin
 		$mail_driver = $vars->mail_driver;
 		if (!array_key_exists($mail_driver, $mail_drivers))
 		{
-			return $this->setError('msg_advanced_mailer_sending_method_is_invalid');
+			throw new Rhymix\Framework\Exception('msg_advanced_mailer_sending_method_is_invalid');
 		}
 		
 		// Validate the mail driver settings.
@@ -551,7 +551,7 @@ class adminAdminController extends admin
 			$conf_value = $vars->{'mail_' . $mail_driver . '_' . $conf_name} ?: null;
 			if (!$conf_value)
 			{
-				return $this->setError('msg_advanced_mailer_smtp_host_is_invalid');
+				throw new Rhymix\Framework\Exception('msg_advanced_mailer_smtp_host_is_invalid');
 			}
 			$mail_driver_config[$conf_name] = $conf_value;
 		}
@@ -561,7 +561,7 @@ class adminAdminController extends admin
 		$sms_driver = $vars->sms_driver;
 		if (!array_key_exists($sms_driver, $sms_drivers))
 		{
-			return $this->setError('msg_advanced_mailer_sending_method_is_invalid');
+			throw new Rhymix\Framework\Exception('msg_advanced_mailer_sending_method_is_invalid');
 		}
 		
 		// Validate the SMS driver settings.
@@ -571,7 +571,7 @@ class adminAdminController extends admin
 			$conf_value = $vars->{'sms_' . $sms_driver . '_' . $conf_name} ?: null;
 			if (!$conf_value)
 			{
-				return $this->setError('msg_advanced_mailer_smtp_host_is_invalid');
+				throw new Rhymix\Framework\Exception('msg_advanced_mailer_smtp_host_is_invalid');
 			}
 			$sms_driver_config[$conf_name] = $conf_value;
 		}
@@ -610,7 +610,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set("sms.allow_split.lms", toBool($vars->allow_split_lms));
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -665,7 +665,7 @@ class adminAdminController extends admin
 			return $item !== '';
 		}));
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($allowed_ip)) {
-			return $this->setError('msg_invalid_ip');
+			throw new Rhymix\Framework\Exception('msg_invalid_ip');
 		}
 		
 		$denied_ip = array_map('trim', preg_split('/[\r\n]/', $vars->admin_denied_ip));
@@ -673,13 +673,13 @@ class adminAdminController extends admin
 			return $item !== '';
 		}));
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($denied_ip)) {
-			return $this->setError('msg_invalid_ip');
+			throw new Rhymix\Framework\Exception('msg_invalid_ip');
 		}
 		
 		$oMemberAdminModel = getAdminModel('member');
 		if (!$oMemberAdminModel->getMemberAdminIPCheck($allowed_ip, $denied_ip))
 		{
-			return $this->setError('msg_current_ip_will_be_denied');
+			throw new Rhymix\Framework\Exception('msg_current_ip_will_be_denied');
 		}
 		
 		Rhymix\Framework\Config::set('admin.allow', array_values($allowed_ip));
@@ -691,7 +691,7 @@ class adminAdminController extends admin
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -734,7 +734,7 @@ class adminAdminController extends admin
 			}
 			if (!Rhymix\Framework\Cache::getDriverInstance($vars->object_cache_type, $cache_servers))
 			{
-				return $this->setError('msg_cache_handler_not_supported');
+				throw new Rhymix\Framework\Exception('msg_cache_handler_not_supported');
 			}
 			Rhymix\Framework\Config::set('cache', array(
 				'type' => $vars->object_cache_type,
@@ -794,7 +794,7 @@ class adminAdminController extends admin
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -832,15 +832,15 @@ class adminAdminController extends admin
 		), $log_filename);
 		if (file_exists(RX_BASEDIR . $log_filename_today) && !is_writable(RX_BASEDIR . $log_filename_today))
 		{
-			return $this->setError('msg_debug_log_filename_not_writable');
+			throw new Rhymix\Framework\Exception('msg_debug_log_filename_not_writable');
 		}
 		if (!file_exists(dirname(RX_BASEDIR . $log_filename)) && !FileHandler::makeDir(dirname(RX_BASEDIR . $log_filename)))
 		{
-			return $this->setError('msg_debug_log_filename_not_writable');
+			throw new Rhymix\Framework\Exception('msg_debug_log_filename_not_writable');
 		}
 		if (!is_writable(dirname(RX_BASEDIR . $log_filename)))
 		{
-			return $this->setError('msg_debug_log_filename_not_writable');
+			throw new Rhymix\Framework\Exception('msg_debug_log_filename_not_writable');
 		}
 		Rhymix\Framework\Config::set('debug.log_filename', $log_filename);
 		
@@ -850,14 +850,14 @@ class adminAdminController extends admin
 			return $item !== '';
 		}));
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($allowed_ip)) {
-			return $this->setError('msg_invalid_ip');
+			throw new Rhymix\Framework\Exception('msg_invalid_ip');
 		}
 		Rhymix\Framework\Config::set('debug.allow', array_values($allowed_ip));
 		
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -890,7 +890,7 @@ class adminAdminController extends admin
 		// Save
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -911,7 +911,7 @@ class adminAdminController extends admin
 		
 		if (!Rhymix\Framework\Filters\IpFilter::validateRanges($allowed_ip))
 		{
-			return $this->setError('msg_invalid_ip');
+			throw new Rhymix\Framework\Exception('msg_invalid_ip');
 		}
 		
 		Rhymix\Framework\Config::set('lock.locked', $vars->sitelock_locked === 'Y');
@@ -920,7 +920,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('lock.allow', array_values($allowed_ip));
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -941,7 +941,7 @@ class adminAdminController extends admin
 			$domain_info = getModel('module')->getSiteInfo($domain_srl);
 			if ($domain_info->domain_srl != $domain_srl)
 			{
-				return $this->setError('msg_domain_not_found');
+				throw new Rhymix\Framework\Exception('msg_domain_not_found');
 			}
 		}
 		
@@ -950,7 +950,7 @@ class adminAdminController extends admin
 		$vars->subtitle = utf8_trim($vars->subtitle);
 		if ($vars->title === '')
 		{
-			return $this->setError('msg_site_title_is_empty');
+			throw new Rhymix\Framework\Exception('msg_site_title_is_empty');
 		}
 		
 		// Validate the domain.
@@ -968,12 +968,12 @@ class adminAdminController extends admin
 		}
 		if (!$vars->domain)
 		{
-			return $this->setError('msg_invalid_domain');
+			throw new Rhymix\Framework\Exception('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 $this->setError('msg_domain_already_exists');
+			throw new Rhymix\Framework\Exception('msg_domain_already_exists');
 		}
 		
 		// Validate the ports.
@@ -987,11 +987,11 @@ class adminAdminController extends admin
 		}
 		if ($vars->http_port !== 0 && ($vars->http_port < 1 || $vars->http_port > 65535 || $vars->http_port == 443))
 		{
-			return $this->setError('msg_invalid_http_port');
+			throw new Rhymix\Framework\Exception('msg_invalid_http_port');
 		}
 		if ($vars->https_port !== 0 && ($vars->https_port < 1 || $vars->https_port > 65535 || $vars->https_port == 80))
 		{
-			return $this->setError('msg_invalid_https_port');
+			throw new Rhymix\Framework\Exception('msg_invalid_https_port');
 		}
 		
 		// Validate the security setting.
@@ -1005,7 +1005,7 @@ 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 $this->setError('msg_invalid_index_module_srl');
+			throw new Rhymix\Framework\Exception('msg_invalid_index_module_srl');
 		}
 		
 		// Validate the index document setting.
@@ -1014,11 +1014,11 @@ class adminAdminController extends admin
 			$oDocument = getModel('document')->getDocument($vars->index_document_srl);
 			if (!$oDocument || !$oDocument->isExists())
 			{
-				return $this->setError('msg_invalid_index_document_srl');
+				throw new Rhymix\Framework\Exception('msg_invalid_index_document_srl');
 			}
 			if (intval($oDocument->get('module_srl')) !== intval($vars->index_module_srl))
 			{
-				return $this->setError('msg_invalid_index_document_srl_module_srl');
+				throw new Rhymix\Framework\Exception('msg_invalid_index_document_srl_module_srl');
 			}
 		}
 		else
@@ -1030,14 +1030,14 @@ class adminAdminController extends admin
 		$enabled_lang = Rhymix\Framework\Config::get('locale.enabled_lang');
 		if (!in_array($vars->default_lang, $enabled_lang))
 		{
-			return $this->setError('msg_lang_is_not_enabled');
+			throw new Rhymix\Framework\Exception('msg_lang_is_not_enabled');
 		}
 		
 		// Validate the default time zone.
 		$timezone_list = Rhymix\Framework\DateTime::getTimezoneList();
 		if (!isset($timezone_list[$vars->default_timezone]))
 		{
-			return $this->setError('msg_invalid_timezone');
+			throw new Rhymix\Framework\Exception('msg_invalid_timezone');
 		}
 		
 		// Clean up the header and footer scripts.
@@ -1160,16 +1160,16 @@ class adminAdminController extends admin
 		$domain_srl = strval(Context::get('domain_srl'));
 		if ($domain_srl === '')
 		{
-			return $this->setError('msg_domain_not_found');
+			throw new Rhymix\Framework\Exception('msg_domain_not_found');
 		}
 		$domain_info = getModel('module')->getSiteInfo($domain_srl);
 		if ($domain_info->domain_srl != $domain_srl)
 		{
-			return $this->setError('msg_domain_not_found');
+			throw new Rhymix\Framework\Exception('msg_domain_not_found');
 		}
 		if ($domain_info->is_default_domain === 'Y')
 		{
-			return $this->setError('msg_cannot_delete_default_domain');
+			throw new Rhymix\Framework\Exception('msg_cannot_delete_default_domain');
 		}
 		
 		// Delete the domain.
@@ -1202,19 +1202,19 @@ class adminAdminController extends admin
 		{
 			if (!($conn = @ftp_connect($vars->ftp_host, $vars->ftp_port, 3)))
 			{
-				return $this->setError('msg_ftp_not_connected');
+				throw new Rhymix\Framework\Exception('msg_ftp_not_connected');
 			}
 			if (!@ftp_login($conn, $vars->ftp_user, $vars->ftp_pass))
 			{
-				return $this->setError('msg_ftp_invalid_auth_info');
+				throw new Rhymix\Framework\Exception('msg_ftp_invalid_auth_info');
 			}
 			if (!@ftp_pasv($conn, $vars->ftp_pasv === 'Y'))
 			{
-				return $this->setError('msg_ftp_cannot_set_passive_mode');
+				throw new Rhymix\Framework\Exception('msg_ftp_cannot_set_passive_mode');
 			}
 			if (!@ftp_chdir($conn, $vars->ftp_path))
 			{
-				return $this->setError('msg_ftp_invalid_path');
+				throw new Rhymix\Framework\Exception('msg_ftp_invalid_path');
 			}
 			ftp_close($conn);
 		}
@@ -1222,23 +1222,23 @@ class adminAdminController extends admin
 		{
 			if (!function_exists('ssh2_connect'))
 			{
-				return $this->setError('disable_sftp_support');
+				throw new Rhymix\Framework\Exception('disable_sftp_support');
 			}
 			if (!($conn = ssh2_connect($vars->ftp_host, $vars->ftp_port)))
 			{
-				return $this->setError('msg_ftp_not_connected');
+				throw new Rhymix\Framework\Exception('msg_ftp_not_connected');
 			}
 			if (!@ssh2_auth_password($conn, $vars->ftp_user, $vars->ftp_pass))
 			{
-				return $this->setError('msg_ftp_invalid_auth_info');
+				throw new Rhymix\Framework\Exception('msg_ftp_invalid_auth_info');
 			}
 			if (!@($sftp = ssh2_sftp($conn)))
 			{
-				return $this->setError('msg_ftp_sftp_error');
+				throw new Rhymix\Framework\Exception('msg_ftp_sftp_error');
 			}
 			if (!@ssh2_sftp_stat($sftp, $vars->ftp_path . 'common/defaults/config.php'))
 			{
-				return $this->setError('msg_ftp_invalid_path');
+				throw new Rhymix\Framework\Exception('msg_ftp_invalid_path');
 			}
 			unset($sftp, $conn);
 		}
@@ -1253,7 +1253,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('ftp.sftp', $vars->ftp_sftp === 'Y');
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_updated');
@@ -1274,7 +1274,7 @@ class adminAdminController extends admin
 		Rhymix\Framework\Config::set('ftp.sftp', false);
 		if (!Rhymix\Framework\Config::save())
 		{
-			return $this->setError('msg_failed_to_save_config');
+			throw new Rhymix\Framework\Exception('msg_failed_to_save_config');
 		}
 		
 		$this->setMessage('success_deleted');
diff --git a/modules/admin/admin.admin.view.php b/modules/admin/admin.admin.view.php
index d8c7e060a..b68d61f4d 100644
--- a/modules/admin/admin.admin.view.php
+++ b/modules/admin/admin.admin.view.php
@@ -629,7 +629,7 @@ class adminAdminView extends admin
 			$domain_info = getModel('module')->getSiteInfo($domain_srl);
 			if ($domain_info->domain_srl != $domain_srl)
 			{
-				return $this->setError('msg_domain_not_found');
+				throw new Rhymix\Framework\Exception('msg_domain_not_found');
 			}
 		}
 		Context::set('domain_info', $domain_info);
diff --git a/modules/board/board.admin.controller.php b/modules/board/board.admin.controller.php
index 58d7709b8..78d5fbb95 100644
--- a/modules/board/board.admin.controller.php
+++ b/modules/board/board.admin.controller.php
@@ -168,7 +168,7 @@ class boardAdminController extends board {
 		$module_info = $oModuleModel->getModuleInfoByModuleSrl($module_srl);
 		if($module_info->mid != $mid)
 		{
-			return $this->setError('msg_invalid_request');
+			throw new Rhymix\Framework\Exception('msg_invalid_request');
 		}
 
 		$module_info->hide_category = Context::get('hide_category') == 'Y' ? 'Y' : 'N';
diff --git a/modules/board/board.controller.php b/modules/board/board.controller.php
index 671a1dbbc..d04024160 100644
--- a/modules/board/board.controller.php
+++ b/modules/board/board.controller.php
@@ -24,7 +24,7 @@ class boardController extends board
 		// check grant
 		if(!$this->grant->write_document)
 		{
-			return $this->setError('msg_not_permitted');
+			throw new Rhymix\Framework\Exception('msg_not_permitted');
 		}
 		
 		// setup variables
@@ -35,14 +35,14 @@ class boardController extends board
 		// Return error if content is empty.
 		if (is_empty_html_content($obj->content))
 		{
-			return $this->setError('msg_empty_content');
+			throw new Rhymix\Framework\Exception('msg_empty_content');
 		}
 		
 		// Return error if content is too large.
 		$document_length_limit = ($this->module_info->document_length_limit ?: 1024) * 1024;
 		if (strlen($obj->content) > $document_length_limit && !$this->grant->manager)
 		{
-			return $this->setError('msg_content_too_long');
+			throw new Rhymix\Framework\Exception('msg_content_too_long');
 		}
 		
 		// unset document style if not manager
@@ -107,14 +107,14 @@ class boardController extends board
 		{
 			if(!$oDocument->isGranted())
 			{
-				return $this->setError('msg_not_permitted');
+				throw new Rhymix\Framework\Exception('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 $this->setError('msg_admin_document_no_modify');
+				throw new Rhymix\Framework\Exception('msg_admin_document_no_modify');
 			}
 			
 			// if document status is temp
@@ -138,7 +138,7 @@ class boardController extends board
 				{
 					if($oDocument->get('comment_count') > 0 && !$this->grant->manager)
 					{
-						return $this->setError('msg_protect_update_content');
+						throw new Rhymix\Framework\Exception('msg_protect_update_content');
 					}
 				}
 				
@@ -147,7 +147,7 @@ class boardController extends board
 				{
 					if($oDocument->get('regdate') < date('YmdHis', strtotime('-' . $this->module_info->protect_document_regdate . ' day')))
 					{
-						return $this->setError(sprintf(lang('msg_protect_regdate_document'), $this->module_info->protect_document_regdate));
+						throw new Rhymix\Framework\Exception(sprintf(lang('msg_protect_regdate_document'), $this->module_info->protect_document_regdate));
 					}
 				}
 				
@@ -235,7 +235,7 @@ class boardController extends board
 		$logged_info = Context::get('logged_info');
 		if(!$update_id)
 		{
-			return $this->setError('msg_no_update_id');
+			throw new Rhymix\Framework\Exception('msg_no_update_id');
 		}
 
 		$oDocumentModel = getModel('document');
@@ -247,13 +247,13 @@ class boardController extends board
 			$Exists_log = $oDocumentModel->getUpdateLogAdminisExists($update_log->document_srl);
 			if($Exists_log === true)
 			{
-				return $this->setError('msg_admin_update_log');
+				throw new Rhymix\Framework\Exception('msg_admin_update_log');
 			}
 		}
 
 		if(!$update_log)
 		{
-			return $this->setError('msg_no_update_log');
+			throw new Rhymix\Framework\Exception('msg_no_update_log');
 		}
 
 		$oDocument = $oDocumentModel->getDocument($update_log->document_srl);
@@ -282,7 +282,7 @@ class boardController extends board
 		// if the document is not existed
 		if(!$document_srl)
 		{
-			return $this->setError('msg_invalid_document');
+			throw new Rhymix\Framework\Exception('msg_invalid_document');
 		}
 
 		$oDocumentModel = &getModel('document');
@@ -292,7 +292,7 @@ class boardController extends board
 		{
 			if($oDocument->get('comment_count') > 0 && $this->grant->manager == false)
 			{
-				return $this->setError('msg_protect_delete_content');
+				throw new Rhymix\Framework\Exception('msg_protect_delete_content');
 			}
 		}
 
@@ -302,7 +302,7 @@ class boardController extends board
 			{
 				$format =  lang('msg_protect_regdate_document');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return $this->setError($massage);
+				throw new Rhymix\Framework\Exception($massage);
 			}
 		}
 		// generate document module controller object
@@ -356,7 +356,7 @@ class boardController extends board
 		// check grant
 		if(!$this->grant->write_comment)
 		{
-			return $this->setError('msg_not_permitted');
+			throw new Rhymix\Framework\Exception('msg_not_permitted');
 		}
 		$logged_info = Context::get('logged_info');
 
@@ -367,14 +367,14 @@ class boardController extends board
 		// Return error if content is empty.
 		if (is_empty_html_content($obj->content))
 		{
-			return $this->setError('msg_empty_content');
+			throw new Rhymix\Framework\Exception('msg_empty_content');
 		}
 
 		// Return error if content is too large.
 		$comment_length_limit = ($this->module_info->comment_length_limit ?: 128) * 1024;
 		if (strlen($obj->content) > $comment_length_limit && !$this->grant->manager)
 		{
-			return $this->setError('msg_content_too_long');
+			throw new Rhymix\Framework\Exception('msg_content_too_long');
 		}
 		
 		if(!$this->module_info->use_status) $this->module_info->use_status = 'PUBLIC';
@@ -398,7 +398,7 @@ class boardController extends board
 		$oDocument = $oDocumentModel->getDocument($obj->document_srl);
 		if(!$oDocument->isExists())
 		{
-			return $this->setError('msg_not_founded');
+			throw new Rhymix\Framework\Exception('msg_not_founded');
 		}
 
 		// For anonymous use, remove writer's information and notifying information
@@ -436,7 +436,7 @@ class boardController extends board
 				$childs = $oCommentModel->getChildComments($obj->comment_srl);
 				if(count($childs) > 0)
 				{
-					return $this->setError('msg_board_update_protect_comment');
+					throw new Rhymix\Framework\Exception('msg_board_update_protect_comment');
 				}
 			}
 		}
@@ -446,7 +446,7 @@ class boardController extends board
 
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return $this->setError('msg_admin_comment_no_modify');
+			throw new Rhymix\Framework\Exception('msg_admin_comment_no_modify');
 		}
 
 		// INSERT if comment_srl does not exist.
@@ -461,7 +461,7 @@ class boardController extends board
 				$parent_comment = $oCommentModel->getComment($obj->parent_srl);
 				if(!$parent_comment->comment_srl)
 				{
-					return $this->setError('msg_invalid_request');
+					throw new Rhymix\Framework\Exception('msg_invalid_request');
 				}
 				if($parent_comment->isSecret() && $this->module_info->secret === 'Y')
 				{
@@ -490,13 +490,13 @@ class boardController extends board
 				{
 					$format =  lang('msg_protect_regdate_comment');
 					$massage = sprintf($format, $this->module_info->protect_document_regdate);
-					return $this->setError($massage);
+					throw new Rhymix\Framework\Exception($massage);
 				}
 			}
 			// check the grant
 			if(!$comment->isGranted())
 			{
-				return $this->setError('msg_not_permitted');
+				throw new Rhymix\Framework\Exception('msg_not_permitted');
 			}
 			$obj->parent_srl = $comment->parent_srl;
 			$output = $oCommentController->updateComment($obj, $this->grant->manager);
@@ -530,7 +530,7 @@ class boardController extends board
 
 		if(!$comment_srl)
 		{
-			return $this->setError('msg_invalid_request');
+			throw new Rhymix\Framework\Exception('msg_invalid_request');
 		}
 
 		$oCommentModel = getModel('comment');
@@ -540,7 +540,7 @@ class boardController extends board
 			$childs = $oCommentModel->getChildComments($comment_srl);
 			if(count($childs) > 0)
 			{
-				return $this->setError('msg_board_delete_protect_comment');
+				throw new Rhymix\Framework\Exception('msg_board_delete_protect_comment');
 			}
 		}
 		$comment = $oCommentModel->getComment($comment_srl, $this->grant->manager);
@@ -550,7 +550,7 @@ class boardController extends board
 			{
 				$format =  lang('msg_protect_regdate_comment');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return $this->setError($massage);
+				throw new Rhymix\Framework\Exception($massage);
 			}
 		}
 		// generate comment  controller object
@@ -662,13 +662,13 @@ class boardController extends board
 			$oComment = $oCommentModel->getComment($comment_srl);
 			if(!$oComment->isExists())
 			{
-				return $this->setError('msg_invalid_request');
+				throw new Rhymix\Framework\Exception('msg_invalid_request');
 			}
 
 			// compare the comment password and the user input password
 			if(!$oMemberModel->isValidPassword($oComment->get('password'),$password))
 			{
-				return $this->setError('msg_invalid_password');
+				throw new Rhymix\Framework\Exception('msg_invalid_password');
 			}
 
 			$oComment->setGrantForSession();
@@ -678,13 +678,13 @@ class boardController extends board
 			$oDocument = $oDocumentModel->getDocument($document_srl);
 			if(!$oDocument->isExists())
 			{
-				return $this->setError('msg_invalid_request');
+				throw new Rhymix\Framework\Exception('msg_invalid_request');
 			}
 
 			// compare the document password and the user input password
 			if(!$oMemberModel->isValidPassword($oDocument->get('password'),$password))
 			{
-				return $this->setError('msg_invalid_password');
+				throw new Rhymix\Framework\Exception('msg_invalid_password');
 			}
 
 			$oDocument->setGrantForSession();
diff --git a/modules/board/board.view.php b/modules/board/board.view.php
index ea6b5f1be..24a9e80f4 100644
--- a/modules/board/board.view.php
+++ b/modules/board/board.view.php
@@ -672,18 +672,18 @@ class boardView extends board
 		$document_srl = Context::get('document_srl');
 		if(!$document_srl)
 		{
-			return $this->setError("msg_invalid_request");
+			throw new Rhymix\Framework\Exception("msg_invalid_request");
 		}
 		
 		if($this->grant->view == false || ($this->module_info->consultation == 'Y' && !$this->grant->manager && !$this->grant->consultation_read))
 		{
-			return $this->setError("msg_not_permitted");
+			throw new Rhymix\Framework\Exception("msg_not_permitted");
 		}
 		
 		$oDocument = getModel('document')->getDocument($document_srl);
 		if(!$oDocument->isExists())
 		{
-			return $this->setError("msg_invalid_request");
+			throw new Rhymix\Framework\Exception("msg_invalid_request");
 		}
 		Context::set('oDocument', $oDocument);
 		
@@ -780,20 +780,20 @@ class boardView extends board
 				{
 					$format =  lang('msg_protect_regdate_document');
 					$massage = sprintf($format, $this->module_info->protect_document_regdate);
-					return $this->setError($massage);
+					throw new Rhymix\Framework\Exception($massage);
 				}
 			}
 			if($this->module_info->protect_content == "Y" || $this->module_info->protect_update_content == 'Y')
 			{
 				if($oDocument->get('comment_count') > 0 && $this->grant->manager == false)
 				{
-					return $this->setError('msg_protect_update_content');
+					throw new Rhymix\Framework\Exception('msg_protect_update_content');
 				}
 			}
 		}
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return $this->setError('msg_admin_document_no_modify');
+			throw new Rhymix\Framework\Exception('msg_admin_document_no_modify');
 		}
 
 		// if the document is not granted, then back to the password input form
@@ -913,7 +913,7 @@ class boardView extends board
 			{
 				$format =  lang('msg_protect_regdate_document');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return $this->setError($massage);
+				throw new Rhymix\Framework\Exception($massage);
 			}
 		}
 
@@ -921,7 +921,7 @@ class boardView extends board
 		{
 			if($oDocument->get('comment_count')>0 && $this->grant->manager == false)
 			{
-				return $this->setError('msg_protect_delete_content');
+				throw new Rhymix\Framework\Exception('msg_protect_delete_content');
 			}
 		}
 
@@ -998,7 +998,7 @@ class boardView extends board
 		// if the parent comment is not existed
 		if(!$parent_srl)
 		{
-			return $this->setError('msg_invalid_request');
+			throw new Rhymix\Framework\Exception('msg_invalid_request');
 		}
 
 		// get the comment
@@ -1060,7 +1060,7 @@ class boardView extends board
 		// if the comment is not existed
 		if(!$comment_srl)
 		{
-			return $this->setError('msg_invalid_request');
+			throw new Rhymix\Framework\Exception('msg_invalid_request');
 		}
 
 		// get comment information
@@ -1075,7 +1075,7 @@ class boardView extends board
 			{
 				$format =  lang('msg_protect_regdate_comment');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return $this->setError($massage);
+				throw new Rhymix\Framework\Exception($massage);
 			}
 		}
 		if($this->module_info->protect_update_comment === 'Y' && $this->grant->manager == false)
@@ -1083,13 +1083,13 @@ class boardView extends board
 			$childs = $oCommentModel->getChildComments($comment_srl);
 			if(count($childs) > 0)
 			{
-				return $this->setError('msg_board_update_protect_comment');
+				throw new Rhymix\Framework\Exception('msg_board_update_protect_comment');
 			}
 		}
 
 		if($member_info->is_admin == 'Y' && $logged_info->is_admin != 'Y')
 		{
-			return $this->setError('msg_admin_comment_no_modify');
+			throw new Rhymix\Framework\Exception('msg_admin_comment_no_modify');
 		}
 
 		// if the comment is not exited, alert an error message
@@ -1143,7 +1143,7 @@ class boardView extends board
 			{
 				$format =  lang('msg_protect_regdate_comment');
 				$massage = sprintf($format, $this->module_info->protect_document_regdate);
-				return $this->setError($massage);
+				throw new Rhymix\Framework\Exception($massage);
 			}
 		}
 
@@ -1153,7 +1153,7 @@ class boardView extends board
 			$childs = $oCommentModel->getChildComments($comment_srl);
 			if(count($childs) > 0)
 			{
-				return $this->setError('msg_board_delete_protect_comment');
+				throw new Rhymix\Framework\Exception('msg_board_delete_protect_comment');
 			}
 		}
 
@@ -1233,7 +1233,7 @@ class boardView extends board
 
 		if($this->grant->update_view !== true)
 		{
-			return $this->setError('msg_not_permitted');
+			throw new Rhymix\Framework\Exception('msg_not_permitted');
 		}
 
 		$updatelog = $oDocumentModel->getDocumentUpdateLog($document_srl);
@@ -1253,7 +1253,7 @@ class boardView extends board
 
 		if($this->grant->update_view !== true)
 		{
-			return $this->setError('msg_not_permitted');
+			throw new Rhymix\Framework\Exception('msg_not_permitted');
 		}
 
 		$update_log = $oDocumentModel->getUpdateLog($update_id);
@@ -1289,7 +1289,7 @@ class boardView extends board
 	{
 		iF($this->grant->vote_log_view !== true)
 		{
-			return $this->setError('msg_not_permitted');
+			throw new Rhymix\Framework\Exception('msg_not_permitted');
 		}
 
 		$oMemberModel = getModel('member');
@@ -1310,7 +1310,7 @@ class boardView extends board
 		}
 		else
 		{
-			return $this->setError('msg_not_target');
+			throw new Rhymix\Framework\Exception('msg_not_target');
 		}
 
 		$output = executeQueryArray($queryId, $args);
diff --git a/modules/importer/extract.class.php b/modules/importer/extract.class.php
index 0051e3c32..b179bba3d 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 $this->setError('msg_no_xml_file');
+			if(!file_exists($this->filename)) return new BaseObject(-1, '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 $this->setError('msg_no_xml_file');
+			if(!$this->fd) return new BaseObject(-1, '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 $this->setError('msg_no_xml_file');
+			if(preg_match('/404 Not Found/i',$buff)) return new BaseObject(-1, 'msg_no_xml_file');
 		}
 
 		if($this->startTag)
diff --git a/modules/importer/importer.admin.controller.php b/modules/importer/importer.admin.controller.php
index 81e813367..5a96a6274 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 $this->setError('msg_invalid_xml_file');
+		if(!file_exists($index_file)) throw new Rhymix\Framework\Exception('msg_invalid_xml_file');
 
 		switch($type)
 		{
 			case 'ttxml' :
-				if(!$target_module) return $this->setError('msg_invalid_request');
+				if(!$target_module) throw new Rhymix\Framework\Exception('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 $this->setError('msg_invalid_request');
+				if(!$target_module) throw new Rhymix\Framework\Exception('msg_invalid_request');
 				$cur = $this->importModule($key, $cur, $index_file, $target_module);
 				break;
 		}
diff --git a/modules/install/install.admin.controller.php b/modules/install/install.admin.controller.php
index f409a31b2..54f7d64a1 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 $this->setError('invalid_request');
+		if(!$module_name) throw new Rhymix\Framework\Exception('invalid_request');
 
 		$oInstallController = getController('install');
 		$oInstallController->installModule($module_name, './modules/'.$module_name);
@@ -35,10 +35,10 @@ class installAdminController extends install
 	{
 		@set_time_limit(0);
 		$module_name = Context::get('module_name');
-		if(!$module_name) return $this->setError('invalid_request');
+		if(!$module_name) throw new Rhymix\Framework\Exception('invalid_request');
 
 		$oModule = getModule($module_name, 'class');
-		if(!$oModule) return $this->setError('invalid_request');
+		if(!$oModule) throw new Rhymix\Framework\Exception('invalid_request');
 		
 		$output = $oModule->moduleUpdate();
 		if($output instanceof BaseObject && !$output->toBool())
diff --git a/modules/install/install.controller.php b/modules/install/install.controller.php
index df2b26b16..087699d17 100644
--- a/modules/install/install.controller.php
+++ b/modules/install/install.controller.php
@@ -76,7 +76,7 @@ class installController extends install
 		{
 			if ($oDB->isTableExists($table_name))
 			{
-				return $this->setError('msg_table_already_exists');
+				throw new Rhymix\Framework\Exception('msg_table_already_exists');
 			}
 		}
 		
@@ -99,7 +99,7 @@ class installController extends install
 		// Check if it is already installed
 		if (Context::isInstalled())
 		{
-			return $this->setError('msg_already_installed');
+			throw new Rhymix\Framework\Exception('msg_already_installed');
 		}
 		
 		// Get install parameters.
@@ -227,7 +227,7 @@ class installController extends install
 		catch(Exception $e)
 		{
 			$oDB->rollback();
-			return $this->setError($e->getMessage());
+			throw new Rhymix\Framework\Exception($e->getMessage());
 		}
 		
 		// Execute the install script.
@@ -411,7 +411,7 @@ class installController extends install
 		else
 		{
 			FileHandler::removeFile($this->flagLicenseAgreement);
-			return $this->setError('msg_must_accept_license_agreement');
+			throw new Rhymix\Framework\Exception('msg_must_accept_license_agreement');
 		}
 
 		if(!in_array(Context::getRequestMethod(),array('XMLRPC','JSON')))
diff --git a/modules/integration_search/integration_search.view.php b/modules/integration_search/integration_search.view.php
index 7c9db39c3..3c2a0e9c0 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 $this->setError('msg_not_permitted');
+		if(!$this->grant->access) throw new Rhymix\Framework\Exception('msg_not_permitted');
 
 		$config = $oModuleModel->getModuleConfig('integration_search');
 		if(!$config) $config = new stdClass;
diff --git a/modules/point/point.admin.controller.php b/modules/point/point.admin.controller.php
index f750cf855..3e4f1490b 100644
--- a/modules/point/point.admin.controller.php
+++ b/modules/point/point.admin.controller.php
@@ -198,7 +198,7 @@ class pointAdminController extends point
 	function procPointAdminInsertPointModuleConfig()
 	{
 		$module_srl = Context::get('target_module_srl');
-		if(!$module_srl) return $this->setError('msg_invalid_request');
+		if(!$module_srl) throw new Rhymix\Framework\Exception('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);
@@ -375,7 +375,7 @@ class pointAdminController extends point
 		$position = (int)Context::get('position');
 		$total = (int)Context::get('total');
 
-		if(!file_exists('./files/cache/pointRecal.txt')) return $this->setError('msg_invalid_request');
+		if(!file_exists('./files/cache/pointRecal.txt')) throw new Rhymix\Framework\Exception('msg_invalid_request');
 
 		$idx = 0;
 		$f = fopen("./files/cache/pointRecal.txt","r");
@@ -418,7 +418,7 @@ class pointAdminController extends point
 	function procPointAdminReset()
 	{
 		$module_srl = Context::get('module_srls');
-		if(!$module_srl) return $this->setError('msg_invalid_request');
+		if(!$module_srl) throw new Rhymix\Framework\Exception('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/spamfilter/spamfilter.admin.controller.php b/modules/spamfilter/spamfilter.admin.controller.php
index bb154374d..9e4762e1f 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') > 180)
 			{
-				return $this->setError('msg_invalid_word');
+				throw new Rhymix\Framework\Exception('msg_invalid_word');
 			}
 			
 			$args = new stdClass;