If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpkrH5shq89aSQEF6ZdEP5yw7jm3pxC5PHizv8eejXkgG4kzaR12dANDPHKd2tMUQjsZnwzRXbAzaDg8Nm4DxcR2LHZuUpDXUCUMerBncGmAqdv7MfuDRctNb6ni8xckbqg6dSWpsf8XefD5uL2
You can also try to pass an automatic check but with no guarantee.