If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYanSfh7wBYpkrH6FpvoFs6pUdfQQEfiPhjzXi5wBrWH2YS7smbDKjdiEKoG7qbv5kBd8Vf24PhTignd57hzi24y2UG13cV7RPMKNyZbSArd3nsnzovfBNHSyBrTjfoCP7Bf9q9avGtZwM8RS9stSvjCtdcwg
You can also try to pass an automatic check but with no guarantee.