If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpku4i4sMaMdcLStgtBgWn3CeCjcJqXaTF6PmFo6JCjgoztTDu6CbPr3nChRZ9vMwAtsTh8S96FzXmTqs37qqFY9exBT2LhDtj2e9v97Lzc616DLVgk7ECtcU9Mz7KMh1yxS4Vu3nccWx6NAsbk
You can also try to pass an automatic check but with no guarantee.