An error occurred. Is it possible to fix this?

This is mean that your local host is canceled the connection. Reasons are:

  • you exhausted ephemeral ports
  • you have a strict firewall (you need to check their logs)
  • you have a network misconfigured (it’s not able to establish an external connections)
  • a simple one - your contact address (and port) doesn’t available externally (you may check this using your advertised external address and port on your smartphone’s browser and a mobile internet).

Also, I would suggest to remove the decommissioned satellites: