If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpku4Zk9QcnC67Nnm82DCyHgg1QF1JmQgtZZa9FqSxvt2CG19XrAo1QXze67KspAFRiKkTnb4TjsnF1WtPmdZ9fVH6K9zZF9dN5jN17mLeHpiVuqRu9za67ART4LiAWrFacWHBSLgigVMjj5edc
You can also try to pass an automatic check but with no guarantee.