Error Sandbox In App Purchase Code 500

Dear anyone, especially for Apple Teams, we produce an issues when re-testing our app using sandbox environment. When purchasing an in-app-purchase subscription process completed, an error show up like below.

<SKPaymentQueue: 0x2837755c0>: Payment completed with error: Error Domain=ASDErrorDomain Code=500 "(null)" UserInfo={NSUnderlyingError=0x283ad66d0 {Error Domain=AMSErrorDomain Code=301 "Invalid Status Code" UserInfo={NSLocalizedDescription=Invalid Status Code, AMSURL=https://sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy?REDACTED, AMSStatusCode=500, NSLocalizedFailureReason=The response has an invalid status code}}, storefront-country-code=IDN, client-environment-type=Sandbox}

Please any help, thankyou.

Thank you for reaching out, we would need more information to assist you further. Could you please file a ticket in Feedback Assistant and post the FB number here, and in the ticket include the details like user, time of request, sysdiagnose or logs, thank you. (http://feedbackassistant.apple.com)

Error Sandbox In App Purchase Code 500
 
 
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