Graph HTTP 500: {"error":{"code":"UnknownError","message":"500 INTERNAL SERVER ERROR","innerError":{"date":"2026-06-09T04:39:15","request-id":"32b39cb3-e13f-4ae8-abdc-6e02a5fca061","client-request-id":"32b39cb3-e13f-4ae8-abdc-6e02a5fca061"}}}