接受SDK Bad Excess Crash

Question

我在项目中使用了适用于iOS的接受SDK，并且在EXC_BAD_ACCESS

中崩溃了

AcceptSDKHandler *handler = [[AcceptSDKHandler alloc] initWithEnvironment:AcceptSDKEnvironmentENV_TEST];
    AcceptSDKRequest *request = [[AcceptSDKRequest alloc] init];
    request.merchantAuthentication.name = @""; //name
    request.merchantAuthentication.clientKey = @""; //clientkey

    request.securePaymentContainerRequest.webCheckOutDataType.token.cardNumber = @""; //cardnumber
    request.securePaymentContainerRequest.webCheckOutDataType.token.expirationMonth = @"";
    request.securePaymentContainerRequest.webCheckOutDataType.token.expirationYear = @"";
    request.securePaymentContainerRequest.webCheckOutDataType.token.cardCode = @"";
   //crashing on below line
    **[handler getTokenWithRequest:request successHandler:^(AcceptSDKTokenResponse * _Nonnull token)** {
        NSLog(@"success %@", token.getOpaqueData.getDataValue);
    } failureHandler:^(AcceptSDKErrorResponse * _Nonnull error) {
        NSLog(@"failed... );
    }];