Fatal error:: Call to a member function getHiddenCommonRepor

I got a fatal error.
Whats the reason?

Fatal error: Call to a member function getHiddenCommonReports() on a non-object in /xxxxxxxxxxxxxxxx/core/apps/qdPMExtended/modules/dashboard/actions/actions.class.php on line 140

[qdPM_Support]

probably just clear browser cache and cookies and relogin

Yes!!!

cache and cookies http://pass4-sure.biz ...??