If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wLknEncMZgd8MNaH9khozE8dWsMkDiu91t8F5huX5CYbijcHcYayC9yfQShEpNHuHa6SstrKFxiB7Za5DVCCrEEaF4kLWUDCEK8iyCDAWZW1Wx1PQnbt1bLjP5goKXm2nq9nYU9P9RACVg9pQEdCATQbG
You can also try to pass an automatic check but with no guarantee.