If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnsytsYpGrX43bwufAcWoPFaZ9MJSDMmdCatYhkLMF1CnJxFeyez5kMKTkitA4RnZLBfHhocykNZDw9warZFs2p9CWcwXNmfUSCopTWMveE8B6ZLFtAemo4T8eHRDxWFpnJQK2voFCXWp291bhKbR1jkdNq5F5QA36vRdAUsHef5J48hemmjB2sdoQx5yU2R2NChiePi6hL
You can also try to pass an automatic check but with no guarantee.