If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpkrH64np5VieUorqqrxxv8EWiFAf5XtbJpHSE719wG2D1TzCFCxsVsTnMQL9Z9NQdTM9bKZMjw9883j25KtzpknEpGk57BHF2qUGjwhdXfdsYcpYaerZ1fitgdyYssoQoXmunnL74rtH5peddG
You can also try to pass an automatic check but with no guarantee.