If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpkrH62wTfXDo2DJb7nRnQTLdnjJ3VU6NQvLcwjeioivb4iL3RGHYsoVKXrDKhfFMCNHJUVULTYdLSqP5ENuiV6rNi99Z4S4EyrCaqDKoaKrLT43o3ypeojocBZMvMdgdguZk1VhBnJqwNAjPKL
You can also try to pass an automatic check but with no guarantee.