Index: trunk/kernel/action.php
===================================================================
diff -u -r520 -r521
--- trunk/kernel/action.php	(.../action.php)	(revision 520)
+++ trunk/kernel/action.php	(.../action.php)	(revision 521)
@@ -798,11 +798,18 @@
          $objEditItems->SourceTable = $objSession->GetEditTable("Category");
          
          // check if name of cat isn't changed: begin
-         $original_cats = new clsCatList();
-         $original_cat = $original_cats->GetItemByField('CategoryId', $_POST['CategoryId']);
-         if( $original_cat->Get('Name') != $_POST['cat_name'] ) 
+         if( GetVar('CategoryId') > 0 )
+         {
+	         $original_cats = new clsCatList();
+	         $original_cat = $original_cats->GetItemByField('CategoryId', GetVar('CategoryId'));
+	         if( $original_cat->Get('Name') != $_POST['cat_name'] ) 
+	         	$objSession->SetVariable('PermCache_UpdateRequired', 1);
+	         unset($original_cat, $original_cats);
+         }
+         else
+         {
          	$objSession->SetVariable('PermCache_UpdateRequired', 1);
-         unset($original_cat, $original_cats);
+         }
          // check if name of cat isn't changed: end
          
          $cat = $objEditItems->Edit_Category($_POST["CategoryId"],inp_escape($_POST["cat_name"],$html), inp_escape($_POST["cat_desc"],$html), $CreatedOn, $cat_pick, $Status, $Hot, $New, $Pop, $_POST["Priority"], $_POST["meta_keywords"], $_POST["meta_desc"]);