Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-06T18:19:55","request-id":"0f01efaf-97e1-40ba-a688-94b340c94508","client-request-id":"0f01efaf-97e1-40ba-a688-94b340c94508"}}}"