How to run a simple cgi script on shared hosting?

Question

Perl

The simplest script itself is under the spoiler. Error in logs: end of script before headers.
Created .htaccess with AddHandler cgi-script .cgi .pl .py
Options +ExecCGI using this path . Error 500
when switching to script test.ml/cgi-bin/cgi.pl

spoiler

/home/clients/mort_ftp0/domains/test.ml/html/cgi-bin/cgi.pl

spoiler

#!/usr/sbin/perl

use strict;
use warnings;

use CGI;

print "Content-type: text/html\n\n";
print "Hello World!";

Answer 1

The error log will tell a lot more than the web server will answer why the 500 response is coming.
But it is possible that the script does not have execution rights.