If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUnuCDj2uV4kAWG9tninpBDgRisaY9PemnRRX6tFXAHzksiKEdP1MWrNtHtjjW5tWE144YEdqG5SW1do1GiaV5hZx1kiNNAK2DgrS7mZerLXCGtkmZQG1J8WMagTNauYCGDRKHoD3C3Jwk2yAArQLW
You can also try to pass an automatic check but with no guarantee.