Index: kernel/error/view.php
===================================================================
--- kernel/error/view.php	(revision 20931)
+++ kernel/error/view.php	(working copy)
@@ -164,10 +164,7 @@
                 {
                     $accessMessage .= " PolicyID : " . $policy['PolicyID'] . "\n" ;
                     $accessMessage .= "  Limitation : " . $policy['LimitationList']['Limitation'] . "\n" ;
-                    $accessMessage .= "  Required : ";
-                    foreach ( $policy['LimitationList']['Required'] as $required )
-                        $accessMessage .= "$required, ";
-                    $accessMessage .= "\n";
+                    $accessMessage .= "  Required : " . implode( ', ', $policy['LimitationList']['Required'] ) . "\n";
                 }
             }