If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTaGfrnisWrmfww6HGkMeZ5nYWzZmDN744TyrSaNxuHvuqrfHfQ3xpoDYNZboG8XDoh6goSjHGWnRZzLcW3k51N4ij5SX6iqA47vGCL1JWewJEsThZVXHiE31J3qGQsMjEkUJB88gkGxNUcHJTaTi1fXniFnuRwUsJrtGot8LEz5cAfueiGqBNZstA4p8nSgjsKTjzkfjU
You can also try to pass an automatic check but with no guarantee.