Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-10T00:50:42","request-id":"492c2f07-7d5d-4e2f-88c6-9aadd4392adb","client-request-id":"492c2f07-7d5d-4e2f-88c6-9aadd4392adb"}}}"