Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-04T01:17:20","request-id":"e6d8dc26-5655-4b75-bc88-f75f85303e48","client-request-id":"e6d8dc26-5655-4b75-bc88-f75f85303e48"}}}"