Apache and Perl togheter

Hello can some help me pelase? i've recently installed Apace 1.3.22...i've configured the CGI directive to work as well but when i try to execute a CGI script written in perl that message appears: Internal Server Error The server encountered an internal error or misconfiguration and was

Apache and Perl togheter

is it possible that i have to do something special in compiling apache to activate the perl mode?