Index: trunk/core/kernel/utility/temp_handler.php
===================================================================
diff -u -r4758 -r5174
--- trunk/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 4758)
+++ trunk/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 5174)
@@ -454,8 +454,14 @@
 			if ($master['TableName'] == $this->MasterTable) {
 				$this->RaiseEvent( 'OnBeforeDeleteFromLive', $master['Prefix'], '', $current_ids );
 
-				$query = 'DELETE FROM '.$master['TableName'].' WHERE '.$master['IdField'].' IN ('.join(',', $current_ids).')';
-				$this->Conn->Query($query);
+				// Do not delete live items with 0 id
+				// otherwise home category permissions got deleted when creating new category
+				$del_ids = $current_ids;
+				array_splice($del_ids, array_search(0, $current_ids), 1);
+				if (count($del_ids) >= 1) {
+					$query = 'DELETE FROM '.$master['TableName'].' WHERE '.$master['IdField'].' IN ('.join(',', $del_ids).')';
+					$this->Conn->Query($query);
+				}
 			}
 
 			if ( getArrayValue($master, 'SubTables') ) {