[SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'ma' in plugin MobArena v0.94.4.65
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:479)
at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:821)
at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:781)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:764)
at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:34)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
at net.minecraft.server.NetServerHandler.sendPacket(NetServerHandler.java:723)
at net.minecraft.server.EntityTrackerEntry.updatePlayer(EntityTrackerEntry.java:235)
at net.minecraft.server.EntityTracker.track(EntityTracker.java:33)
at net.minecraft.server.WorldManager.a(WorldManager.java:16)
at net.minecraft.server.World.c(World.java:927)
at net.minecraft.server.WorldServer.c(WorldServer.java:171)
at net.minecraft.server.World.addEntity(World.java:920)
at net.minecraft.server.World.addEntity(World.java:865)
at net.minecraft.server.ServerConfigurationManager.moveToWorld(ServerConfigurationManager.java:317)
at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:370)
at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:167)
at com.garbagemule.MobArena.ArenaImpl.movePlayerToEntry(ArenaImpl.java:843)
at com.garbagemule.MobArena.ArenaImpl.playerLeave(ArenaImpl.java:597)
at com.garbagemule.MobArena.commands.user.LeaveCommand.execute(LeaveCommand.java:39)
at com.garbagemule.MobArena.commands.CommandHandler.onCommand(CommandHandler.java:88)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
... 12 more
2012-05-13 13:40:39 [SEVERE] java.lang.NullPointerException
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.NetServerHandler.sendPacket(NetServerHandler.java:723)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.EntityTrackerEntry.updatePlayer(EntityTrackerEntry.java:235)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.EntityTrackerEntry.scanPlayers(EntityTrackerEntry.java:276)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.EntityTrackerEntry.track(EntityTrackerEntry.java:62)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.EntityTracker.updatePlayers(EntityTracker.java:132)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:556)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
2012-05-13 13:40:39 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
2012-05-13 13:40:39 [SEVERE] Unexpected exception
java.lang.NullPointerException
at net.minecraft.server.NetServerHandler.sendPacket(NetServerHandler.java:723)
at net.minecraft.server.EntityTrackerEntry.updatePlayer(EntityTrackerEntry.java:235)
at net.minecraft.server.EntityTrackerEntry.scanPlayers(EntityTrackerEntry.java:276)
at net.minecraft.server.EntityTrackerEntry.track(EntityTrackerEntry.java:62)
at net.minecraft.server.EntityTracker.updatePlayers(EntityTracker.java:132)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:556)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)