Error including libraries: Can't use 'defined(@array)' (Maybe you should just omit the defined()?) at /usr/home/guille/public_html/cgi-bin/links2/admin/db_utils.pl line 341.
Compilation failed in require at /usr/www/users/guille/cgi-bin/links2/rate.cgi line 31.

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