protected function _setErrors(Comment $comment)
    {
        $arrayContext = $this->config('arrayContext');
        foreach ((array)$comment->errors() as $field => $msg) {
            $arrayContext['errors']['comment'][$field] = $msg;
        }
        $this->config('arrayContext', $arrayContext);
        $this->_controller->set('_commentFormContext', $this->config('arrayContext'));
    }