If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYo1uVD4gpgvVBf5vjQx42tuKhLZvzyf2bR3QYm83N9ErywDR51ffvwNyQTyMibPguypyybesmzfazzuLHamqo7eYNTNJEWsmKrs7AgeSbvSYFCtmkxNGY2858PHpysG7jwdJ7M8gebfiUY3XZyrNmJsTDU36xCMLrAwJJzBLgaFiZZNDhVXCEXs1MFovQpdHash93ypSKKC
You can also try to pass an automatic check but with no guarantee.