Error including libraries: Can't locate /home/aircoonet/public_html/cgi-bin/links/admin/db_utils.pl in @INC (@INC contains: /websites/123reg/LinuxPackage24/ai/r_/co/air-cooled.net/public_html/cgi-bin/links /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 .) at /websites/123reg/LinuxPackage24/ai/r_/co/air-cooled.net/public_html/cgi-bin/links/modify.cgi line 31.

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