If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 3f6bcf3rU8pDYtcSsosUUyGExy4duVyatKKbwQUJapZcJpFmLZm525vdXW4sZDy1bN4yt2y9UojZscKgDhBFFXDvqwb68UzDZNBkvzhxj2cU7gjHkTBfjkZQZkpMiewcukG4x4TiYHmGfuH9KnrPUJ
You can also try to pass an automatic check but with no guarantee.