If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpktkbtfVcKFsFXRkpXBrdbiEwQAadU7iN5qZLNXRWfUR6fGsXahyMvS1qEYnsWvp9VsKp39X26zdbDHBbUs8Zwf8XyA5MMamekXqv9Xib3Nor99gdFm7EtnavT63wz12VPFVX42dk9Vv8i6ZoU
You can also try to pass an automatic check but with no guarantee.