Could not connect to default or fallback server, please try again later: java,net,connectException

I keep getting this error when i try to login to my hub. i want to make the hub spawn.
and all my servers are offline mode

groups:
md_5:
- admin
disabled_commands:
- disabledcommandhere
player_limit: -1
stats: 76f0305e-51d3-4785-9695-ded9bddf6581
permissions:
default:
- bungeecord.command.server
- bungeecord.command.list
admin:
- bungeecord.command.alert
- bungeecord.command.end
- bungeecord.command.ip
- bungeecord.command.reload
listeners:
- max_players: 100...

Could not connect to default or fallback server, please try again later: java,net,connectException