If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: buk3y6ieCr9wJEVzRt1BGCnEKDYQNFY5FTpdBF4gKihUPZ9aszxhDhkoo3A4x1uGbj2wK8xxBFufRxgxG74TuEQXmLvjgMa1XGsZR2YaxT3yH7HJAGfjZ6kSAGwGBeaGoyUDjNsPdv4ETR5tFgox
You can also try to pass an automatic check but with no guarantee.