public function sendCancelNotification()
    {
        $email = Email::create()
            ->setSubject(_t(
                'SilverShop\ShopEmail.CancelSubject',
                'Order #{OrderNo} cancelled by member',
                '',
                ['OrderNo' => $this->order->Reference]
            ))
            ->setFrom(Email::config()->admin_email)
            ->setTo(Email::config()->admin_email)
            ->setBody($this->order->renderWith(Order::class));

        if ($this->debugMode) {
            return $this->debug($email);
        } else {
            return $email->send();
        }
    }