yes its ok , I must have Session.pm in my Modules folder ?

Hello,, When try to install.cgi i get 500 Internal Server Error: Log: Can't locate Session.pm in @INC (@INC contains: Plugins Modules . /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5) at install.cgi line 5. Tnx