If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wMBTC1zmEd7LpYkHnCzSRNgstpu4zWitAXimCaakdu72M2fm2Xoe7i3JAJQXYxiUkMrQUbzFwgfpTQ6zksmESWMWUaKQqv8AojSHa7uKQQw1cBr6V5jC9ZfX5RQjoWUpMm1hvABbREzPRXk7vSGgrFEnS
You can also try to pass an automatic check but with no guarantee.