If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTaFzbgnS1ye3v1qurkZxtZkGUFVvAvgndXVHXb5ofcKiH5WeQ53Ktf5jepYSRhVzhnRDnVtuA8HuZAJPysSvwWmJ282thjbnpH9mEemW3YaXkrdGFC4rXym3bgeN79JgmTfKGtJjECJo6RLYovdKGctUzRxMM12g5XTHnpqEvWyvuCzMqHPNpmo9TtpsqX5c13sLiz8Ez
You can also try to pass an automatic check but with no guarantee.