my $type=$input->param('type');
my $branch = $input->param('branch') || ( C4::Branch::onlymine() ? ( C4::Branch::mybranch() || '*' ) : '*' );
-my $op = $input->param('op');
+my $op = $input->param('op') || q{};
if ($op eq 'delete') {
my $itemtype = $input->param('itemtype');