Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-11T05:16:18","request-id":"5624acc1-2909-4ae2-b2cc-15dfe7ccc351","client-request-id":"5624acc1-2909-4ae2-b2cc-15dfe7ccc351"}}}"