diff --git a/web/ajax/event.php b/web/ajax/event.php
index cb4d3d7ad..9c2e57c2c 100644
--- a/web/ajax/event.php
+++ b/web/ajax/event.php
@@ -155,5 +155,5 @@ if ( canEdit('Events') ) {
   } // end switch action
 } // end if canEdit('Events')
 
-ajaxError('Unrecognised action or insufficient permissions');
+ajaxError('Unrecognised action '.$_REQUEST['action'].' or insufficient permissions for user ' . $user['Username']);
 ?>