I also went to the site the other person posted and I don't think that will help since I'm not using the product that page is outlining. Any other advice? Thank you!

You missed the point, the error message is the same, it is apparently because of a mismatch between versions of Mechanize/LWP/HTTP::Headers etc etc , so just install the latest version of each module, say with 

 perl -MCPAN -e 'install Bundle::LWP'

[download]
or 
cpan LWP WWW::Mechanize

[download]

In reply to Re^3: Can't locate object method REDIRECTS in package HTTP::Headers by Anonymous Monk
in thread Can't locate object method REDIRECTS in package HTTP::Headers by Anonymous Monk

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