public function getOrder()
    {
        if (is_null($this->order)) {
            /** @var \OxidEsales\PayPalModule\Core\Exception\PayPalResponseException $exception */
            $exception = oxNew(\OxidEsales\PayPalModule\Core\Exception\PayPalResponseException::class, 'OEPAYPAL_ORDER_ERROR');
            throw $exception;
        }

        return $this->order;
    }