خطا در پکیج پرداخت

سلام من از پکیج آقای خانزاده استفاده کردم برای وصل شدن ب زرین پال ولی هرچی که باش کار میکنم خطای اطلاعات ارسال شده ناقص است برمیگردونه
اگ میشه راهنمایی کنید

 'zarinpal' => [
            /* normal api */
            'apiPurchaseUrl' => 'https://ir.zarinpal.com/pg/services/WebGate/wsdl',
            'apiPaymentUrl' => 'https://www.zarinpal.com/pg/StartPay/',
            'apiVerificationUrl' => 'https://ir.zarinpal.com/pg/services/WebGate/wsdl',

            /* sandbox api */
            'sandboxApiPurchaseUrl' => 'https://sandbox.zarinpal.com/pg/services/WebGate/wsdl',
            'sandboxApiPaymentUrl' => 'https://sandbox.zarinpal.com/pg/StartPay/',
            'sandboxApiVerificationUrl' => 'https://sandbox.zarinpal.com/pg/services/WebGate/wsdl',

            /* zarinGate api */
            'zaringateApiPurchaseUrl' => 'https://ir.zarinpal.com/pg/services/WebGate/wsdl',
            'zaringateApiPaymentUrl' => 'https://www.zarinpal.com/pg/StartPay/:authority/ZarinGate',
            'zaringateApiVerificationUrl' => 'https://ir.zarinpal.com/pg/services/WebGate/wsdl',

            'mode' => 'sandbox', // can be normal, sandbox, zaringate
            'merchantId' => 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX',
            'callbackUrl' => url('/pay/callback'),
            'description' => 'payment using zarinpal',
        ],

 public function pay()
    {
        return Payment::purchase(
            (new Invoice)->amount(1000),
            function($driver, $transactionId) {
                // Store transactionId in database.
                // We need the transactionId to verify payment in the future.
            }
        )->pay()->render();
    }

@khanzadimahdi