GUACAMOLE-598: Abort rendering of pages if critical data fails to load (data without which the page is non-functional).

guacamole/src/main/webapp/app/manage/controllers/manageUserController.js

@@ -335,7 +335,7 @@ angular.module('manage').controller('manageUserController', ['$scope', '$injecto
 
         });
 
-    }, requestService.WARN);
+    }, requestService.DIE);
 
     /**
      * Returns the URL for the page which manages the user account currently