Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-13T06:34:15","request-id":"18db0d64-5e1f-41eb-a328-c70d4c7d6918","client-request-id":"18db0d64-5e1f-41eb-a328-c70d4c7d6918"}}}"