King Of The Ladder

17:43:15 [INFO] Mariiskaaa did/tried the command :: /kl join
2012-08-27 17:43:15 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'kl' in plugin KingOfTheLadder v1.3
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:492)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:878)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:825)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
	at net.minecraft.server.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
	at org.bukkit.craftbukkit.CraftServer.getWorld(CraftServer.java:786)
	at me.chaseoes.kingoftheladder.GameManager.broadcast(GameManager.java:318)
	at me.chaseoes.kingoftheladder.GameManager.joinGame(GameManager.java:291)
	at me.chaseoes.kingoftheladder.KingOfTheLadder.onCommand(KingOfTheLadder.java:194)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	... 15 more
2012-08-27 17:43:34 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2012-08-27 17:44:12 [INFO] Mariiskaaa did/tried the command :: /kl leave
2012-08-27 17:44:12 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'kl' in plugin KingOfTheLadder v1.3
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:492)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:878)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:825)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
	at net.minecraft.server.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
	at org.bukkit.craftbukkit.CraftServer.getWorld(CraftServer.java:786)
	at me.chaseoes.kingoftheladder.GameManager.broadcast(GameManager.java:318)
	at me.chaseoes.kingoftheladder.GameManager.leaveGame(GameManager.java:147)
	at me.chaseoes.kingoftheladder.KingOfTheLadder.onCommand(KingOfTheLadder.java:245)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	... 15 more