Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-11-28T03:43:01","request-id":"84c12da7-610b-47b0-98d0-d029eda65bb4","client-request-id":"84c12da7-610b-47b0-98d0-d029eda65bb4"}}}"