Server Error
Exception of type 'System.Web.HttpUnhandledException' was thrown.<br/>Extender control '00000000-0000-0000-0000-000000000000_ee584600-c7bb-1094-0119-6c084ff699d2' is not a registered extender control. Extender controls must be registered using RegisterExtenderControl() before calling RegisterScriptDescriptors().
Parameter name: extenderControl
(http 500 error)