If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4CU6bvFHxiJet8sMmb8qqwp6SobxQ7d5nPvsQxr19HUWdioF74VTDs9LiRCmNeVu3xcrP6CHMproMLYEkcZiGAqF21wmsviBcYoPXERsAELE718f4ifM92rPTz3pzmY5KUCm58M5WuE6pB7YLWZ4Xqc1UFqG
You can also try to pass an automatic check but with no guarantee.