If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTaHFmfTi9kjJLACvY62QwrCndze3RHiF3bm5XsprcWWX35KEiH4pezv9Lvx2FXUCiqYs1TSRcnPop5VaS3KqhJNxGW8ur3BQV194so1rdcZdn7KfxFDap5ZSaPcC4uvcznCegQEuN4479o3KGtePyTJ5NoTrFeiLsA31ojVYxGvTpvwLhWaoMCQA1RdSFQtTLmEtM8siv
You can also try to pass an automatic check but with no guarantee.