Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-05-22T02:38:40","request-id":"b80f0f64-8e6e-4a80-aa4b-fac680184c2a","client-request-id":"b80f0f64-8e6e-4a80-aa4b-fac680184c2a"}}}"