diff --git a/workflow/engine/classes/class.system.php b/workflow/engine/classes/class.system.php
index f1578e71b..fe27b8b0a 100755
--- a/workflow/engine/classes/class.system.php
+++ b/workflow/engine/classes/class.system.php
@@ -965,7 +965,7 @@ class System
                 $res['SKIN_FOLDER_ID'] = strtolower( $folderId );
 
                 foreach ($skinInformationArray as $keyInfo => $infoValue) {
-                    $res['SKIN_' . strtoupper( $keyInfo )] = $infoValue['__VALUE__'];
+                    $res['SKIN_' . strtoupper( $keyInfo )] = (isset($infoValue['__VALUE__'])) ? $infoValue['__VALUE__'] : '';
                 }
                 $res['SKIN_CREATEDATE'] = (isset($res['SKIN_CREATEDATE'])) ? $res['SKIN_CREATEDATE']: '';
                 $res['SKIN_MODIFIEDDATE'] = (isset($res['SKIN_MODIFIEDDATE'])) ? $res['SKIN_MODIFIEDDATE']: '';
diff --git a/workflow/engine/methods/setup/skin_Ajax.php b/workflow/engine/methods/setup/skin_Ajax.php
index d19c6c5a9..9e56e412a 100755
--- a/workflow/engine/methods/setup/skin_Ajax.php
+++ b/workflow/engine/methods/setup/skin_Ajax.php
@@ -49,14 +49,14 @@ function skinList ()
     if (isset( $_REQUEST['activeskin'] )) {
         $wildcard = '@';
     }
-    
+
     $classicSkin = '';
     if (defined('PARTNER_FLAG')) {
         $classicSkin = '00000000000000000000000000000001';
     }
-    
+
     foreach ($skinList['skins'] as $key => $value) {
-        if ($value['SKIN_ID'] != $classicSkin) {
+        if (!isset($value['SKIN_ID']) || $value['SKIN_ID'] != $classicSkin) {
             if ($value['SKIN_FOLDER_ID'] != 'simplified' && $value['SKIN_FOLDER_ID'] != 'uxs' && $value['SKIN_FOLDER_ID'] != 'uxmodern') {
                 if ($skinList['currentSkin'] == $value['SKIN_FOLDER_ID']) {
                     $value['SKIN_STATUS'] = $wildcard . G::LoadTranslation( 'ID_ACTIVE' );