Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-09T07:27:46","request-id":"e2486aa2-903d-4fab-b17d-79724120f05a","client-request-id":"e2486aa2-903d-4fab-b17d-79724120f05a"}}}"