Error including libraries: Can't use 'defined(@array)' (Maybe you should just omit the defined()?) at /var/www/vhosts/web1.pmswebpromotion.com/httpdocs/lardos.net/cgi/pages/admin/db_utils.pl line 341.
Compilation failed in require at /var/www/vhosts/web1.pmswebpromotion.com/httpdocs/lardos.net/cgi/pages/search.pl line 36.

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