Index: branches/5.1.x/core/units/categories/cache_updater.php
===================================================================
diff -u -r12127 -r12657
--- branches/5.1.x/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 12127)
+++ branches/5.1.x/core/units/categories/cache_updater.php	(.../cache_updater.php)	(revision 12657)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: cache_updater.php 11892 2009-07-01 08:35:06Z alex $
+* @version	$Id: cache_updater.php 12657 2009-10-04 20:07:31Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -11,7 +11,11 @@
 * or other free or open source software licenses.
 * See http://www.in-portal.net/license/ for copyright notices and details.
 */
+
+	defined('FULL_PATH') or die('restricted access!');
+
 	class clsRecursionStack {
+
 		var $Stack;
 
 		function clsRecursionStack()
@@ -57,6 +61,7 @@
 	}
 
 	class clsCachedPermissions {
+
 		var $Allow = Array();
 		var $Deny = Array();
 		var $CatId;
@@ -416,6 +421,11 @@
 
 		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
@@ -471,7 +481,7 @@
 				}*/
 
 				// if explicitly set, then use it; use parent template otherwise
-				if ($record['Template']) {
+				if ($record['Template'] && ($record['Template'] != CATEGORY_TEMPLATE_INHERIT)) {
 					$data['template'] = $record['Template'];
 				}
 			}
@@ -525,5 +535,4 @@
 			}
 			$this->SaveData();
 		}
-	}
-?>
\ No newline at end of file
+	}
\ No newline at end of file