If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4u6RYcvSs5mrVsajCskthwyWPH3tTaza9svPLoZ68tXG3nnNKf7FrbUN1qjMxdazELhtRDMuh5Zoz7HKZzVkXHzbHzFyQN31nJZkJHafwQJDUEBYmFvuGnpr41AYDeTn1ocU53tzpNJ5PEQ5pWVccoEia
You can also try to pass an automatic check but with no guarantee.