Index: trunk/core/units/general/cat_event_handler.php
===================================================================
diff -u -N -r8719 -r8779
--- trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 8719)
+++ trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 8779)
@@ -2049,22 +2049,6 @@
 	 *
 	 * @param kEvent $event
 	 */
-	function OnMassDelete(&$event)
-	{
-		parent::OnMassDelete($event);
-
-		if ($event->status == erSUCCESS && !$this->Application->IsAdmin()) {
-			$event->SetRedirectParam('pass', 'm');
-			$event->SetRedirectParam('m_cat_id', 0);
-		}
-	}
-
-
-	/**
-	 * Deletes items & preserves clean env
-	 *
-	 * @param kEvent $event
-	 */
 	function OnDelete(&$event)
 	{
 		parent::OnDelete($event);
Index: trunk/core/units/general/helpers/category_helper.php
===================================================================
diff -u -N -r8751 -r8779
--- trunk/core/units/general/helpers/category_helper.php	(.../category_helper.php)	(revision 8751)
+++ trunk/core/units/general/helpers/category_helper.php	(.../category_helper.php)	(revision 8779)
@@ -31,6 +31,10 @@
 
 					$category_path = $this->getCategoryParentPath($main_category_id);
 					$module_info = $this->getCategoryModule($params, array_keys($category_path));
+					if (!$module_info) {
+						continue;
+					}
+
 					$module_prefix = $module_info['Var'];
 					$object =& $this->Application->recallObject($module_prefix);
 					/* @var $object kCatDBItem */
Index: trunk/core/units/general/helpers/permissions_helper.php
===================================================================
diff -u -N -r8757 -r8779
--- trunk/core/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 8757)
+++ trunk/core/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 8779)
@@ -442,6 +442,11 @@
 
 			if (preg_match('/(.*)\.VIEW$/', $name) && ($type == 0)) {
 				// cached view permission of category: begin
+				if (strpos($cat_id, '|') !== false) {
+					$category_path = explode('|', substr($cat_id, 1, -1));
+					$cat_id = end($category_path);
+				}
+
 				$sql = 'SELECT PermissionConfigId
 						FROM '.TABLE_PREFIX.'PermissionConfig
 						WHERE PermissionName = '.$this->Conn->qstr($name);