If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4R7Ka9arK2WmWqJdVu9SRBMDTEyVVgcX8R6vvvm4Cn4oYPyk5keAqSjiffneEp4HyTMQT9KChxuFxticsF1YpFQE3TwKx86riv4g9b6MDY9LJ4hWoMNTTj67pgnf3tTDuCFhoBHTpY6Fm6Y3xJpcbQSWQR6eCHDs8rfCSsx8Q7SsBUTZUHqTkjKUgLEQURQh1oEaZXyQPydj2RWLTitMohnhvLWfVDudRtcSKS1b7STEaK8VDF1o1BasWuLVRgECG4ZLi
You can also try to pass an automatic check but with no guarantee.