System error

Can't locate object method "header_in" via package "Apache2::RequestRec" at /home/httpd/html/mdsbooks/tradeable.html line 184.


Trace begun at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Can\'t locate object method "header_in" via package "Apache2::RequestRec" at /home/httpd/html/mdsbooks/tradeable.html line 184.^J') called at /home/httpd/html/mdsbooks/tradeable.html line 184
HTML::Mason::Commands::__ANON__ at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x55555a0ff600)') called at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Request.pm line 1257
eval {...} at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Request.pm line 1252
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Request.pm line 466
eval {...} at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Request.pm line 466
eval {...} at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/Request.pm line 418
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x55555a06b630)') called at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x55555a06b630)') called at /usr/lib/perl5/site_perl/5.8.8/HTML/Mason/ApacheHandler.pm line 826
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x555559c35c90)', 'Apache2::RequestRec=SCALAR(0x55555a0587c0)') called at (eval 30) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x55555a0587c0)') called at -e line 0
eval {...} at -e line 0