if ($cookies{PHPSESSID} ge "") {
eval {
        $session = PHP::Session->new($cookies{PHPSESSID}->value);
};
         print $query->redirect(-location=>"$redirecturl"."0") if $@;
         exit 0 if $@;

$id = $session->id;

##</code><code>##

Can't call method "id" on an undefined value at...