Backtrack and check that all the requirements are being met. Then run this script to make sure that all the dependencies are updated.

#!/usr/bin/perl

use strict;
use warnings;
use CPAN;

CPAN::Shell->install(
"JSON",
"WWW::RobotRules",
"HTTP::Cookies",
"Net::FTP",
"IO::Socket::INET",
"Net::HTTP",
"HTTP::Daemon",
"Digest::base",
"Digest::MD5",
"HTTP::Negotiate",
"File::Listing",
"HTML::Tagset",
"XSLoader",
"HTML::Parser",
"Time::Local",
"HTTP::Date",
"Compress::Raw::Zlib",
"Compress::Raw::Bzip2",
"Scalar::Util",
"IO::Uncompress::Inflate",
"HTTP::Status",
"Encode::Alias",
"Encode::Locale",
"LWP::MediaTypes",
"MIME::Base64",
"URI::Escape",
"LWP::UserAgent",
"Test::Harness",
"Test::More",
"MediaWiki::API");
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