problem z kingdoms, nie działające komendy

[VeSteQ]

Pomocy, jak wpisze byle jaka komende np /kingdoms to wyskakuje to w konsoli:

 

Unhandled exception executing command 'kingdom' in plugin Kingdoms v2.0.0
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:644) ~[spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1385) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1220) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_66]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_66]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot_1.12.jar:git-Spigot-7228328-11323bf]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_66]
Caused by: java.lang.NullPointerException
	at me.PaulTDD.commands.Kingdom.onCommand(Kingdom.java:44) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot_1.12.jar:git-Spigot-7228328-11323bf]
	... 15 more

 

a na serwerze nie działa ona.