If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpku4HUFQxf163dNyFbHjFxmtyDbnu8SoFLBzTAjbF6b8HRg9oDFyi6Bnj1Sc5GkZ3Wk5ymLUAw2xFoR9kPU4Ak5aB4ncvgZ1cPtRKVF6aNGqgyVtg9teuWRaEFYwvrGgG4NfPcMmdCFdAY5Qog
You can also try to pass an automatic check but with no guarantee.