Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-05T07:40:22","request-id":"04776bb6-e2c7-43da-b91d-5f088f49906f","client-request-id":"04776bb6-e2c7-43da-b91d-5f088f49906f"}}}"