If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTbUCzRZZSiSJTtPoXSwoeicHT2NLmhVuyyvntkJdBYKQGY4CHdRSFHfF8wfNgYMxyuKj7wYGUKtFkN1wGgghbQmfetGrvdhk2UzWY813PajiMvgdfFpbTaj42dhgY7PFoPsXWmuiwFCVE55MTqpXkQw2fTXvZn951WToWF9DG52szRAXFrucyha2hWrh3NzkaNxsHzyHQ
You can also try to pass an automatic check but with no guarantee.