Index: trunk/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -r4977 -r4996
--- trunk/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 4977)
+++ trunk/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 4996)
@@ -181,7 +181,7 @@
 
 	function InitList($params)
 	{
-		$list_name = $params['list_name'];
+		$list_name = isset($params['list_name']) ? $params['list_name'] : '';
 
 		$names_mapping = $this->Application->GetVar('NamesToSpecialMapping');