Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-08T03:18:25","request-id":"3fc0fcc3-1c64-4de3-84ea-fb4b1c424c8c","client-request-id":"3fc0fcc3-1c64-4de3-84ea-fb4b1c424c8c"}}}"