If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: GB2u9LgqTwojDpsmYMsPwkBPyNnvggKjUqrhpkU7378ob6L4zj2FYReZyjuvcFsQUoyKUZvkfkt5hvckUS6cxFm9XW9XXD1nGYhuJZnP7qzj6cJ7jmqNLXgwH6zdkXuACw1hsi74tS6L596puQEHsrWpn2jokmXBt
You can also try to pass an automatic check but with no guarantee.