If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYM4u6tNWtTNe3qu4AvAaV2425at4CVt99mQa5GyRZzG2cAYA8J9s4D2q8xJ5hotHJn6jJx1fGLtmt6r8Kbjy78EryiKCh66o5r1ZiMAppo3DzFiKFdTMCPRTkmSczp2PNT3fvXG1LvicJRLdEobGH99CpTFc
You can also try to pass an automatic check but with no guarantee.