If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: btunujMLkVy8njxpMwPF94KHXqzoPhbJGjatDc9fczj2sCrr4WQhQvQ1fjSVfm6UHXBYhb9NgB2C2U5VkoRi449ZCn5zUKDdrYkNQGRR6ydBov4s3tVf7GPvYdU5GervoGQ81bYU1vGfgHEKD9re
You can also try to pass an automatic check but with no guarantee.