If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: btyZb4QgFWyukvbmAeRmvfsrCuir9StgpyaqnEAGMbkWDYZLM1BR8Zu5novMKKbdVYmgYnzM4KVoDSvgLgqNLN1py1jCiCucwmEcwA3NivK7ufJ1unduZxcyEhdmPGLHxNDrxBqvRugnwgCmgGLW
You can also try to pass an automatic check but with no guarantee.