If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpku4Hbg4nWgG2REgLtbfUg5T5XhZtnRiq1kwEf4PcwgGCBdnywgPsfmVwsCuXAoYMiBLNfi1c6Y2w9uASkBev8KqTqbqLni3tCpQcoqGZpHjnFQnQ1TMskEpNK7ckSm73tDvcRUpM48Yztrgfp
You can also try to pass an automatic check but with no guarantee.