Can't call method "FETCH"

I have just installed rt. the sbin/rt-test-dependances works fine with no
errors. I can start apache fine with this config:

ServerName host DocumentRoot /opt/rt3/share/html AddDefaultCharset UTF-8
PerlModule Apache::DBI
PerlRequire /opt/rt3/bin/webmux.pl

<Location />
    SetHandler perl-script
    PerlHandler RT::Mason
</Location>

However, when I go to the website I get
Trace begun at
/usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Exceptions.pm line 131
HTML::Mason::Exceptions::rethrow_exception(‘Can’t call method “FETCH” on
an undefined value at /usr/local/lib/perl5/5.8.5/CGI/Cookie.pm line
76.^J’) called at /usr/local/lib/perl5/5.8.5/CGI/Cookie.pm line 76
CGI::cookie::get_raw_cookie at /usr/local/lib/perl5/5.8.5/CGI/Cookie.pm
line 43
CGI::cookie::fetch(‘CGI::Cookie’) called at
/opt/rt3/share/html/Elements/SetupSessionCookie line 27
HTML::Mason::Commands::ANON at
/usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 134
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0x931096c)’)
called at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line
1074
eval {…} at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm
line 1068
HTML::Mason::Request::comp(undef, undef) called at
/opt/rt3/share/html/autohandler line 57
HTML::Mason::Commands::ANON at
/usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 134
HTML::Mason::Component::run(‘HTML::Mason::Component::FileBased=HASH(0x92e4574)’)
called at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line
1069
eval {…} at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm
line 1068
HTML::Mason::Request::comp(undef, undef, undef) called at
/usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 338
eval {…} at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm
line 338
eval {…} at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm
line 297
HTML::Mason::Request::exec(‘HTML::Mason::Request::ApacheHandler=HASH(0x92f28e4)’)
called at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm
line 134
eval {…} at
/usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm line 134
HTML::Mason::Request::ApacheHandler::exec(‘HTML::Mason::Request::ApacheHandler=HASH(0x92f28e4)’)
called at /usr/local/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm
line 792
HTML::Mason::ApacheHandler::handle_request(‘HTML::Mason::ApacheHandler=HASH(0x9215368)’,
‘Apache=SCALAR(0x8882d40)’) called at /opt/rt3/bin/webmux.pl line 105
eval {…} at /opt/rt3/bin/webmux.pl line 105
RT::Mason::handler(‘Apache=SCALAR(0x8882d40)’) called at /dev/null line 0
eval {…} at /dev/null line 0

Does anyone have an idea as to why?

I am running mod_perl1 with mysql