If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: btunujMLkZoSqLQFhT1QymihGuhpyVS9P4hYc6CJB3898NNtmiHkmdZzNx5MC4Cz5JDrMcZVp55916FKV5gwJyizr2J1gqqGMMqzYfCjcrY16M8nqRt9A9Fx35RAE2jniijdJ3x4ua4GY3jmAgTx
You can also try to pass an automatic check but with no guarantee.