If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 7D4u69KRjiwfdDaHz5zPFZdeYBANMPJ7Tnnnmi5RgrKXmAarcW5dZj9QoKgZP36YWAUoELgJs3YjRsuP7quq4pz99gHLw35LukZKsJQRu3vtNzt8h8npauDrjEy5Hc6sk7KfU4BkgqDuCKj5Fz6CjSNsyKvZK786MXR8
You can also try to pass an automatic check but with no guarantee.