If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYM4u6tNWtTNe49rTiNTdATS4LzMrTyhkfxHWi9Rw6fLvjQYEKoywQZVgRUN44kqr3FqpeTyg7Sxi1m7BvgDgKghURF7MyS7xTFFd7tYuiFAeuX4H3owMaasP1WwJ7QcRJqKETkJxGyuQ4g7MLv1MjmLGY6f8
You can also try to pass an automatic check but with no guarantee.