If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: buk4GRH8VFnTfp3wSca3jbYgBUBuqhw8eUhh86CR7n56SZeBYYG93Un3gfNy1mHtWfad4BvViW8RYiANqMToXihjvNUPYBJwTGVXRsv7krTNceQfHJcUBwotHqb7axrKABRJNt2qfkHfvcXUy7SE
You can also try to pass an automatic check but with no guarantee.