Warning: Invalid argument supplied for foreach() in /home/dis/dev/ezpublish/trunk/kernel/error/view.php
<code>

Patch to fix this:
<code>
Index: kernel/error/view.php
===================================================================
--- kernel/error/view.php       (revision 20915)
+++ kernel/error/view.php       (working copy)
@@ -165,8 +165,11 @@
                     $accessMessage .= " PolicyID : " . $policy['PolicyID'] . "\n" ;
                     $accessMessage .= "  Limitation : " . $policy['LimitationList']['Limitation'] . "\n" ;
                     $accessMessage .= "  Required : ";
-                    foreach ( $policy['LimitationList']['Required'] as $required )
-                        $accessMessage .= "$required, ";
+                   if ( isset( $policy['LimitationList']['Required'] ) )
+                   {
+                        foreach ( $policy['LimitationList']['Required'] as $required )
+                            $accessMessage .= "$required, ";
+                    }
                     $accessMessage .= "\n";
                 }
             }