If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: SmsYM4u6tNWtTNTzdvNzVJxEXHmWpGJaVW8mYUhhJNWdvAF1GxXTt6YEsDTXoXfEDzt31byErWTWDuxr1PNzyAf9Bf2mb9TFtgGDSjx8whxMVghujK5PL9Abd4fqNL1kzryTsJeBnqsWCKd5iHu4b5oTTFBzwxi
You can also try to pass an automatic check but with no guarantee.