Index: branches/unlabeled/unlabeled-1.25.2/core/kernel/utility/temp_handler.php
===================================================================
diff -u -r5618 -r5774
--- branches/unlabeled/unlabeled-1.25.2/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 5618)
+++ branches/unlabeled/unlabeled-1.25.2/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 5774)
@@ -145,6 +145,11 @@
 
 	function AddTables($prefix, &$tables)
 	{
+		if (!$this->Application->prefixRegistred($prefix)) {
+			// allows to skip subitem processing if subitem module not enabled/installed
+			return ;
+		}
+		
 		$tmp = Array(
 				'TableName' => $this->Application->getUnitOption($prefix,'TableName'),
 				'IdField' => $this->Application->getUnitOption($prefix,'IDField'),