Index: branches/5.0.x/core/units/categories/cache_updater.php
===================================================================
diff -u -r12231 -r12277
--- branches/5.0.x/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 12231)
+++ branches/5.0.x/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 12277)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: cache_updater.php 12231 2009-08-08 18:38:05Z alex $
+* @version	$Id: cache_updater.php 12277 2009-08-12 14:15:49Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -416,6 +416,11 @@
 
 		function UpdateCachedPath(&$data)
 		{
+			if ($data['current_id'] == 0) {
+				// don't update non-existing "Home" category
+				return ;
+			}
+
 			$fields_hash = Array (
 				'ParentPath'				=>	'|'.implode('|', $data['parent_path']).'|',
 				// allow old fashion system templates to work