If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 21W19RF3pPmxZJZGKzafMBYKQZnSGDrFbGxjtkZ4iccVnYyXPBZxkNzE3GTjSWEY6yqnBdJFfsYEPmZP64vdJNHTJa9XkDNC9UdA9pFiaPJpS7fL
You can also try to pass an automatic check but with no guarantee.