If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYM4u6tNWtTNSdpzC9yw6r64LzoYXHWpVcRgejYa7vfr34XuZXYm22BpkPRAaL9voF498scsEcz4iVU2a8gesLyu5QW3U5fA7HTXbJZgJNgbti2W98ipVYbYdYQR6WuNosMzZNcwLF98Q44w5gYAJDFoG83GA
You can also try to pass an automatic check but with no guarantee.