    public function down(RuleGroup $ruleGroup)
    {
        $maxOrder = $this->repository->maxOrder();
        $order    = (int)$ruleGroup->order;
        if ($order < $maxOrder) {
            $newOrder = $order + 1;
            $this->repository->setOrder($ruleGroup, $newOrder);
        }

        return redirect(route('rules.index'));
    }
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.