Cannot connect to limbo thru Bungeecord proxy

[Rubenicos]

Limbo server.properties:

bungeecord=true

Bungeecord config.yml:

ip_forward: true

Limbo console logs:

[10:32:04 Info] [/localhost:53756] <-> Handshake Status has pinged
[10:32:06 Info] 0: 127.0.0.1
[10:32:06 Info] 1: [MY IP]
[10:32:06 Info] 2: e2c97dbd1c7a3253a7340535fe4b70f6
[10:32:06 Info] java.lang.IllegalStateException: Illegal bungee state: 4
        at com.loohp.limbo.network.ClientConnection.run(ClientConnection.java:431)

[10:32:06 Info] If you wish to use bungeecord's IP forwarding, please enable that in your bungeecord config.yml as well!
[10:32:06 Info] [/localhost:53766] <-> Player disconnected with the reason Please connect from the proxy!