Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-11T14:21:07","request-id":"1a5ebaf8-11c5-4e81-bdb3-1fa07d323878","client-request-id":"1a5ebaf8-11c5-4e81-bdb3-1fa07d323878"}}}"