When I use time accounting i get after some minutes a Internal Server Error. This problem occurs from month 3. Month 1 en 2 generates reports without a problem. I find de following errors in the apache error_log. [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] ERROR: OTRS-CGI-34 Perl: 5.8.0 OS: linux Time: Tue May 23 09:33:50 2006, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] , referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Message: Need UserLogin!, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] , referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Traceback (10895): , referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Module: Kernel::System::CustomerUser::DB::CustomerName (v1.36) Line: 77, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Module: Kernel::System::CustomerUser::CustomerName (v1.22) Line: 199, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Module: Kernel::System::Stats::AccountedTime::Run (v1.4 ) Line: 128, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Module: Kernel::Modules::SystemStats::Run (v1.26 ) Line: 164, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Module: Kernel::System::Web::InterfaceAgent::Run (v1.8) Line: 651, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] Module: /opt/otrsprod/bin/cgi-bin/index.pl (v1.80) Line: 47, referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats [Tue May 23 09:43:49 2006] [error] [client 192.168.42.104] , referer: http://yogi/otrs/cgi-bin/index.pl?Action=SystemStats Some help will be really helpful. Thanks for your time, Best Regards, Johan Bijlsma. Rotaform. Lelystad, Netherlands.