If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpkrH6E14MCMMeSp6CWmdhzeHz2V9E9mNVd3wPcu4CK9eY8cuqWWpxw3GoPanbgsimz79MJGmzQFN5SVWjMQUJifg8DUPigGmpeyKSKk96JtSHJ6HWedDcXRSawDrUTQpYALWzVm6xrLSRcwyyG
You can also try to pass an automatic check but with no guarantee.