Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-02-10T20:33:00","request-id":"09c6e787-fe94-4fa9-adeb-72d45a9e91f5","client-request-id":"09c6e787-fe94-4fa9-adeb-72d45a9e91f5"}}}"