It seems your version of Modern::Perl isn't modern enough, aka too old. It works for me with newest version from CPAN.

Perl 6 - the future is here, just unevenly distributed

In reply to Re: Modern::Perl version 2011 required--this is only version 1.03 at my-perl-script.cgi by moritz
in thread Modern::Perl version 2011 required--this is only version 1.03 at my-perl-script.cgi by taint

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