my $dbh = C4::Context->dbh;
my $mode = $query->param('mode');
-my $op = $query->param('op');
+my $op = $query->param('op') || q{};
my $subscriptionid = $query->param('subscriptionid');
my $done = 0; # for after form has been submitted
my ( $template, $loggedinuser, $cookie ) = get_template_and_user(