If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhpx7p2n5bSCjMmjjLcoXYmq57MhX9kpvcRLmmnBfAgNLaUKjoZzsYNLwH5FqjBDYuZKnSsMan2fVnQC6WA2twq14i2ZZ131uZrAzQvPCSX8ffLn3YMzE3m4jQy1ecpeDoJnJ5uHux
You can also try to pass an automatic check but with no guarantee.