Error including libraries: Can't locate admin/links.cfg in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5) at modify.cgi line 30.

Make sure they exist, permissions are set properly, and paths are set correctly.