Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-12T00:58:14","request-id":"010ecd30-8d89-4dec-8b71-e2bf2a55cbba","client-request-id":"010ecd30-8d89-4dec-8b71-e2bf2a55cbba"}}}"