If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYM4u6tNWtTNe49rbXgbChvkqRpCBaRqXNw7HabfRpbsVo5UsseUxPukUXHyGPhuBPwsUzpzCTRyGdz57njqinQXGRHqNhiFTdzi9edaPtCvFMrbrWei58gEhqiccmM8caTSybU2FX3bCEXJhgMp1W764BWTg
You can also try to pass an automatic check but with no guarantee.