[otrs] cron job failures

Hello, My OTRS system is sending cron job failure emails. All messages report this: Can't locate Kernel/Config.pm in @INC (@INC contains: /opt/otrs/Kernel/cpan-lib /opt/otrs +/usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.7/i386-linux-thread-multi ... I must have something miss configured. Can anybody help? Thanks, Joe