Add A server other then the lobby brokes the config

Hi

When I start the bungee cord server it just saids that it listening and can join the lobby server.

But when i add a new one i get this error

21.08 02:18:31 [Server] SEVERE at net.md_5.bungee.BungeeCord.main(BungeeCord.java:184)
21.08 02:18:31 [Server] SEVERE at net.md_5.bungee.BungeeCord.start(BungeeCord.java:241)
21.08 02:18:31 [Server] SEVERE at net.md_5.bungee.config.Configuration.load(Configuration.java:54)
21.08 02:18:31 [Server] SEVERE at...

Add A server other then the lobby brokes the config