Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-06-24T01:40:21","request-id":"b4014f68-75f6-467d-b07a-3523b6a36f82","client-request-id":"b4014f68-75f6-467d-b07a-3523b6a36f82"}}}"