If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 6LKtb1CPG3zgnmfGEiqFutDcTeePrdQUx5UEa19xLzZmZb2zSUStQrfvi6Cumxu3wkb2U5VSiXdY7KDcMZPwoD2UZFBc68zBk48XYtxbnXudhEsYHCmrZkJejVwon2wmEyjBCaEDgUcCafx
You can also try to pass an automatic check but with no guarantee.