If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4R7Ka9arK2WmWqJdVuAAXTuVAM64zY5uLEfJrs63szFTnu8DcZvWdnPKFpTYvXf3EmBXXDyHAZNhezXAKqsJcnnLQYsTDJzaqZ7nzX6Nz6c5E4eHotsJyF8NSXCrUPSD1SfonepzTUBNPkxZPBrEPP6vagwF1mCXURsKFUjJwDDi6kEcMVEFDPw12k7XVs8PpieqZmNVheZYQapnMj4jjQ1FJbp8cBUzJcpY9yT15NJiEnuV3LWNVJcwJYDn9tPDkdeJa
You can also try to pass an automatic check but with no guarantee.