Index: branches/unlabeled/unlabeled-1.61.2/core/kernel/processors/main_processor.php
===================================================================
diff -u -r5882 -r5900
--- branches/unlabeled/unlabeled-1.61.2/core/kernel/processors/main_processor.php	(.../main_processor.php)	(revision 5882)
+++ branches/unlabeled/unlabeled-1.61.2/core/kernel/processors/main_processor.php	(.../main_processor.php)	(revision 5900)
@@ -840,7 +840,7 @@
 
 		$require = false;
 
-		if ($params['mode'] == 'required') {
+		if (isset($params['mode']) && $params['mode'] == 'required') {
 			$require = true;
 			if (isset($params['for_logged_in_only']) && $params['for_logged_in_only'] && !$this->Application->LoggedIn()) {
 				$require = false;