If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQuGo6WFWYnLBTjrBZhbBe8SH2aJtxhF46NnjVEWBr24x3NvgPAb4zRPbSnGNefUmc2FDdf26UZoKpG5oJVcE4fhcQEWEXfpjm17rckVPNHuTvQQxqfJ7ZKSg7UGhsMEmuZCSnhMALzbvp7az3fJexWvvuVcQg2ZGz9af81U8n4rvWv78p7MvhPYtKpRfC5Sw8mkRLEL6
You can also try to pass an automatic check but with no guarantee.