Is there a solution for this error ?

Yes, realize that different versions of internetexplorer-DOM model are different, and code around it :) See Re: Perl code is unable to identify Page objects (Win32 OLE IEXPLORER IEAutomation ), Can't call method "readystate" on an undefined value at C:/Perl/site/lib/Win32/IEAutomation.pm line 562

to use another module?

Maybe :) But pretty much whatever you decide to use you'll have to learn more about webpages and the perl modules you're using

Re: WWW Mechanize FAQ!!!, The State of Web spidering in Perl, Re: Seek Perl equivalent to DOM Inspector (js pipe dream), WWW::Mechanize::FAQ