Bukkit

Ive been trying to program my server and im getting this "an internal error occured while attempting to perform this command" 

 help please! 

disallowHubCommandNoPerm: true
Settings:
  Enable_Per_World_Inventories: true
  worldselector:
    ==: org.bukkit.inventory.ItemStack
    v: 1631
    type: COMPASS
    amount: 64
auto-update: true
Version: 3.7.83
Server:
  Main_Lobby:
    name: Main_Lobby
    i: 3
    color: 0
    material: DAMAGED_ANVIL
    displayname: Main Lobby
    lore: []

ALSO: This is the console command i get!

org.bukkit.command.CommandException: Unhandled exception executing command 'hub' in plugin LobbyAPI v3.7.83

at org.bukkit.command.PluginCommand.execute(PluginCommand.java:48) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:684) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1569) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1423) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(SourceFile:37) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(SourceFile:9) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:9) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.PlayerConnectionUtils$$Lambda$1716.000000001C0D09B0.run(Unknown Source) ~[?:?]

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_192]

at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_192]

at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:839) [craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:382) [craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:792) [craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:695) [craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at java.lang.Thread.run(Thread.java:813) [?:1.8.0_192]

Caused by: org.bukkit.plugin.messaging.ChannelNotRegisteredException: Attempted to send a plugin message through the unregistered channel `BungeeCord'.

at org.bukkit.plugin.messaging.StandardMessenger.validatePluginMessage(StandardMessenger.java:525) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at org.bukkit.craftbukkit.v1_13_R2.entity.CraftPlayer.sendPluginMessage(CraftPlayer.java:1180) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

at me.zombie_striker.lobbyapi.LobbyAPI.updateServerCount(LobbyAPI.java:56) ~[?:?]

at me.zombie_striker.lobbyapi.LobbyCommands.onCommand(LobbyCommands.java:1418) ~[?:?]

at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit-1.13.2.jar:git-Bukkit-d3ed151]

... 16 more