diff --git a/modules/admin/admin.admin.view.php b/modules/admin/admin.admin.view.php
index 4e3b43e4e..b78fa653c 100644
--- a/modules/admin/admin.admin.view.php
+++ b/modules/admin/admin.admin.view.php
@@ -435,13 +435,13 @@ class adminAdminView extends admin
 		// Load member config.
 		$member_config = getModel('module')->getModuleConfig('member');
 		Context::set('member_config', $member_config);
-		Context::set('webmaster_name', $member_config->webmaster_name ? $member_config->webmaster_name : 'webmaster');
-		Context::set('webmaster_email', $member_config->webmaster_email);
+		Context::set('webmaster_name', !empty($member_config->webmaster_name) ? $member_config->webmaster_name : 'webmaster');
+		Context::set('webmaster_email', $member_config->webmaster_email ?? '');
 		
 		// Load module config.
 		$module_config = getModel('module')->getModuleConfig('module');
 		Context::set('module_config', $module_config);
-
+		
 		// Load mail drivers.
 		$mail_drivers = Rhymix\Framework\Mail::getSupportedDrivers();
 		uasort($mail_drivers, function($a, $b) {
@@ -647,8 +647,8 @@ class adminAdminView extends admin
 		// Meta keywords and description
 		$oModuleModel = getModel('module');
 		$config = $oModuleModel->getModuleConfig('module');
-		Context::set('site_meta_keywords', escape($config->meta_keywords));
-		Context::set('site_meta_description', escape($config->meta_description));
+		Context::set('site_meta_keywords', escape($config->meta_keywords ?? ''));
+		Context::set('site_meta_description', escape($config->meta_description ?? ''));
 		
 		// Titles
 		Context::set('seo_main_title', escape(Rhymix\Framework\Config::get('seo.main_title') ?: '$SITE_TITLE - $SITE_SUBTITLE'));
diff --git a/modules/admin/tpl/config_advanced.html b/modules/admin/tpl/config_advanced.html
index 0ac9a11e3..f08ad0170 100644
--- a/modules/admin/tpl/config_advanced.html
+++ b/modules/admin/tpl/config_advanced.html
@@ -2,7 +2,7 @@
 
 <include target="config_header.html" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_advanced/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_advanced/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 <section class="section">
@@ -157,8 +157,8 @@
 					<label for="object_cache_port" class="x_inline">{$lang->cache_port}: <input type="number" name="object_cache_port" id="object_cache_port" size="5" style="min-width:70px" value="{$object_cache_port}" /></label>
 				</div>
 				<div id="object_cache_redis_config" style="display:none">
-					<label for="object_cache_user" class="x_inline">{$lang->cache_user}: <input type="text" name="object_cache_user" id="object_cache_user" value="{$object_cache_user}" /></label>
-					<label for="object_cache_pass" class="x_inline">{$lang->cache_pass}: <input type="password" name="object_cache_pass" id="object_cache_pass" value="{$object_cache_pass}" autocomplete="new-password" /></label>
+					<label for="object_cache_user" class="x_inline">{$lang->cache_user}: <input type="text" name="object_cache_user" id="object_cache_user" value="{$object_cache_user ?? ''}" /></label>
+					<label for="object_cache_pass" class="x_inline">{$lang->cache_pass}: <input type="password" name="object_cache_pass" id="object_cache_pass" value="{$object_cache_pass ?? ''}" autocomplete="new-password" /></label>
 					<label for="object_cache_dbnum" class="x_inline">{$lang->cache_dbnum}: <input type="number" name="object_cache_dbnum" id="object_cache_dbnum" size="3" style="min-width:70px" value="{$object_cache_dbnum}" /></label>
 				</div>
 			</div>
diff --git a/modules/admin/tpl/config_debug.html b/modules/admin/tpl/config_debug.html
index b635a4f56..8e6c6cb9a 100644
--- a/modules/admin/tpl/config_debug.html
+++ b/modules/admin/tpl/config_debug.html
@@ -2,7 +2,7 @@
 
 <include target="config_header.html" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_debug/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_debug/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 <section class="section">
diff --git a/modules/admin/tpl/config_domains.html b/modules/admin/tpl/config_domains.html
index ecbc00cc4..fb99c2335 100644
--- a/modules/admin/tpl/config_domains.html
+++ b/modules/admin/tpl/config_domains.html
@@ -2,7 +2,7 @@
 
 <include target="config_header.html" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_domains/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_domains/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 <section class="section">
diff --git a/modules/admin/tpl/config_notification.html b/modules/admin/tpl/config_notification.html
index 3aef94036..c9f854615 100644
--- a/modules/admin/tpl/config_notification.html
+++ b/modules/admin/tpl/config_notification.html
@@ -3,7 +3,7 @@
 <include target="config_header.html" />
 <load target="js/notification_config.js" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_notification/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_notification/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 
@@ -24,7 +24,7 @@
 		<div class="x_control-group">
 			<label class="x_control-label" for="mail_default_name">{$lang->cmd_admin_default_from_name}</label>
 			<div class="x_controls">
-				<input type="text" name="mail_default_name" id="mail_default_name" value="{escape($member_config->webmaster_name) ?: $module_config->siteTitle}" />
+				<input type="text" name="mail_default_name" id="mail_default_name" value="{escape($webmaster_name)}" />
 				<br />
 				<p class="x_help-block" style="margin-top:10px">{$lang->cmd_admin_default_from_name_help}</p>
 			</div>
@@ -33,7 +33,7 @@
 		<div class="x_control-group">
 			<label class="x_control-label" for="mail_default_from">{$lang->cmd_admin_default_from_email}</label>
 			<div class="x_controls">
-				<input type="text" name="mail_default_from" id="mail_default_from" value="{escape($member_config->webmaster_email)}" />
+				<input type="text" name="mail_default_from" id="mail_default_from" value="{escape($webmaster_email)}" />
 				&nbsp;
 				<label for="mail_force_default_sender" class="x_inline">
 					<input type="checkbox" name="mail_force_default_sender" id="mail_force_default_sender" value="Y" checked="checked"|cond="toBool($advanced_mailer_config->force_sender)" />
@@ -47,7 +47,7 @@
 		<div class="x_control-group">
 			<label class="x_control-label" for="mail_default_reply_to">{$lang->cmd_admin_default_reply_to}</label>
 			<div class="x_controls">
-				<input type="text" name="mail_default_reply_to" id="mail_default_reply_to" value="{escape($advanced_mailer_config->reply_to ?: config('mail.default_reply_to'))}" />
+				<input type="text" name="mail_default_reply_to" id="mail_default_reply_to" value="{escape($advanced_mailer_config->reply_to ?? config('mail.default_reply_to'))}" />
 				<br />
 				<p class="x_help-block" style="margin-top:10px">{$lang->cmd_admin_default_reply_to_help}</p>
 			</div>
diff --git a/modules/admin/tpl/config_security.html b/modules/admin/tpl/config_security.html
index 6651b2395..9fcb541df 100644
--- a/modules/admin/tpl/config_security.html
+++ b/modules/admin/tpl/config_security.html
@@ -2,7 +2,7 @@
 
 <include target="config_header.html" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_security/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_security/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 <section class="section">
diff --git a/modules/admin/tpl/config_seo.html b/modules/admin/tpl/config_seo.html
index 460d426fe..c664876e4 100644
--- a/modules/admin/tpl/config_seo.html
+++ b/modules/admin/tpl/config_seo.html
@@ -2,7 +2,7 @@
 
 <include target="config_header.html" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_seo/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_seo/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 <section class="section">
diff --git a/modules/admin/tpl/config_sitelock.html b/modules/admin/tpl/config_sitelock.html
index d829401bb..d31fce9c7 100644
--- a/modules/admin/tpl/config_sitelock.html
+++ b/modules/admin/tpl/config_sitelock.html
@@ -2,7 +2,7 @@
 
 <include target="config_header.html" />
 
-<div cond="$XE_VALIDATOR_MESSAGE && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_sitelock/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
+<div cond="!empty($XE_VALIDATOR_MESSAGE) && $XE_VALIDATOR_ID == 'modules/admin/tpl/config_sitelock/1'" class="message {$XE_VALIDATOR_MESSAGE_TYPE}">
 	<p>{$XE_VALIDATOR_MESSAGE}</p>
 </div>
 <section class="section">
diff --git a/modules/module/tpl/multilingual_v17.html b/modules/module/tpl/multilingual_v17.html
index 0fa7a68c5..4c14bc355 100644
--- a/modules/module/tpl/multilingual_v17.html
+++ b/modules/module/tpl/multilingual_v17.html
@@ -3,19 +3,20 @@
 	$a = array($lang_type=>$lang_supported[$lang_type]);
 	unset($lang_supported[$lang_type]);
 	$lang_supported = array_merge($a, $lang_supported);
+	$is_empty_use_in_page = empty($use_in_page)
 }
-<div class="x_modal"|cond="!$use_in_page" id="g11n" hidden|cond="!$use_in_page">
-	<div class="x_modal-header" cond="!$use_in_page">
+<div class="x_modal"|cond="$is_empty_use_in_page" id="g11n" hidden|cond="$is_empty_use_in_page">
+	<div class="x_modal-header" cond="$is_empty_use_in_page">
 		<h1>{$lang->cmd_multilingual}</h1>
 	</div>
-	<div class="x_modal-body"|cond="!$use_in_page">
+	<div class="x_modal-body"|cond="$is_empty_use_in_page">
 		<div class="x_tabbable">
 			<ul class="x_nav x_nav-tabs">
-				<li class="x_active"|cond="!$use_in_page"><a href="#lang_create">{$lang->cmd_insert}</a></li>
-				<li class="x_active"|cond="$use_in_page"><a href="#lang_search">{$lang->cmd_search}</a></li>
+				<li class="x_active"|cond="$is_empty_use_in_page"><a href="#lang_create">{$lang->cmd_insert}</a></li>
+				<li class="x_active"|cond="!$is_empty_use_in_page"><a href="#lang_search">{$lang->cmd_search}</a></li>
 			</ul>
 			<div class="x_tab-content">
-				<form action="" class="x_tab-pane <!--@if(!$use_in_page)-->x_active<!--@end--> item" id="lang_create">
+				<form action="" class="x_tab-pane <!--@if($is_empty_use_in_page)-->x_active<!--@end--> item" id="lang_create">
 					<fieldset class="editMode">
 						<textarea loop="$lang_supported => $code, $name" class="{$code}" rows="1" cols="12" title="{$name}" style="margin-right:5px"></textarea>
 						<div class="x_clearfix btnArea">
@@ -24,12 +25,12 @@
 						</div>
 					</fieldset>
 				</form>
-				<div class="x_tab-pane <!--@if($use_in_page)-->x_active<!--@end-->" id="lang_search">
+				<div class="x_tab-pane <!--@if(!$is_empty_use_in_page)-->x_active<!--@end-->" id="lang_search">
 				</div>
 			</div>
 		</div>
 	</div>
-	<div cond="!$use_in_page" class="x_modal-footer">
+	<div cond="$is_empty_use_in_page" class="x_modal-footer">
 		<button type="button" class="x_btn x_pull-left" data-hide="#g11n">{$lang->cmd_close}</button>
 		<p class="x_pull-right">
 			{@