WWW::Mechanize's version of ->request modifies the request before issuing it, and that could be the problem. Try this: 
$agent = WWW::Mechanize->new(...);
...set up $agent...
$agent->LWP::UserAgent::request($form->click);

[download]

In reply to Re^3: LWP::UserAgent vs WWW::Mechanize by pc88mxer
in thread LWP::UserAgent vs WWW::Mechanize by jcdento

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