[otrs] OTRS Help Module Kernel/Modules/.pm not found!

Hi All, Recently we upgraded 2.2.6 mysql to 2.4.9 oracle. After submitting the phone ticket, i am getting.. Message: Module Kernel/Modules/.pm not found! Traceback (4884): Module: Kernel::System::Web::InterfaceAgent::Run (v1.43.2.1) Line: 182 Module: ModPerl::ROOT::ModPerl::Registry::F_3a_OTRS_OTRS_bin_cgi_2dbin_index_2epl::handler (unknown version) Line: 48 Module: (eval) (v1.88) Line: 204 Module: ModPerl::RegistryCooker::run (v1.88) Line: 204 Module: ModPerl::RegistryCooker::default_handler (v1.88) Line: 170 Module: ModPerl::Registry::handler (v1.99) Line: 31 Since its critical, can somebody help me out? Thanks, kt