If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYM4u6tNWtTNe4AR2sZpXh49c1pMLpCoYwdpLXX8u4BMmxfeCeFgfU2RokMJCUkfGJWDgsWt8SJcum97HG2A6zfr2HJKvC1mXeN7L9eCuM6cto8tktUpwjeRmQc3G41RW7hAFoyKv3uawGa3648GjLsXSugvJ
You can also try to pass an automatic check but with no guarantee.