CrediMax: CreadiMaxPaymentDemo.MerchantAPIError.failedRequest. (Ошибка MPGSDK.GatewayError.)

Question

Я пытаюсь создать сеанс, но не могу выполнить эту задачу, поскольку у меня возникла проблема, может кто-нибудь помочь мне с этим:

ошибка: CreadiMaxPaymentDemo. MerchantAPIError.failedRequest

вот мое усилие

 let mID = "TESTE1******0"
 let mURL:URL = URL(string: "https://credimax.gateway.mastercard.com/api/rest/version/53/merchant/\(mID)/session")!
 let mRegion = GatewayRegion.asiaPacific

configure(merchantId: mID, region: mRegion, merchantServiceURL: mURL, applePayMerchantIdentifier: "")

// Called to configure the view controller with the gateway and merchant service information.

 func configure(merchantId: String, region: GatewayRegion, merchantServiceURL: URL, applePayMerchantIdentifier: String?) {
    gateway = Gateway(region: region, merchantId: merchantId)
    merchantAPI = MerchantAPI(url: merchantServiceURL)
    transaction.applePayMerchantIdentifier = applePayMerchantIdentifier
}

// This function creates a new session using the merchant service
func createSession() {
    merchantAPI.createSession { (result) in
        DispatchQueue.main.async {
             guard case .success(let response) = result,
                "SUCCESS" == response[at: "gatewayResponse.result"] as? String,
                let session = response[at: "gatewayResponse.session.id"] as? String,
                let apiVersion = response[at: "apiVersion"] as? String else {
                    print(result)
                    print("Error Creating Session")
                    return
            }

            // The session was created successfully
            self.transaction.session = GatewaySession(id: session, apiVersion: apiVersion)
            print("Creating Session")
        }
    }
}

Заранее спасибо.