BungeeCord error - Could not connect to a default or fallback server, please try again later: Server

Hi,
So today I've been trying to setup a bungeecord server for my network. I have configured the bungee, changed everything in the servers config, and still, when I try to connect to my server:

Could not connect to a default or fallback server, please try again later: Server not reachable (timeout). Offline? Incorrectly configured address/port/firewall?

BungeeCord config: https://pastebin.com/1PGEC6TJ

Hub server.properties:

Hub...

BungeeCord error - Could not connect to a default or fallback server, please try again later: Server