Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-08-01T18:16:34","request-id":"19f8a2b5-437b-487a-9a49-477b36515a69","client-request-id":"19f8a2b5-437b-487a-9a49-477b36515a69"}}}"