[otrs] Cannot Load Stats module

This is the error I get on the webpage when I click on stats in OTRS Can't locate object method "GetObjectName" via package "Kernel::System::Stats::Static::StateAction" at /opt/otrs//Kernel/System/Stats.pm line 2234 System configuration: OTRS 2.4.2 - running mod-perl 2, .set permissions run , all modules accounted after running ./otrs.CheckModules Cent OS 5.2 Apache 2 SQL Server 2005 - (Network packets set to 20 megs) Any help would be greatly appreciated Thanks, Rob