Graph HTTP 500: {"error":{"code":"UnknownError","message":"500 INTERNAL SERVER ERROR","innerError":{"date":"2026-06-09T04:58:55","request-id":"dedf17be-f1c6-4c19-aaf1-f31ba643f1b6","client-request-id":"dedf17be-f1c6-4c19-aaf1-f31ba643f1b6"}}}