2013-04-04 17:54:03 [SEVERE] [NoCheatPlus] JoinLeaveListener(fr.neatmonster.nocheatplus.checks.moving.MovingListener) generated an exception (join): NullPointerException
2013-04-04 17:54:03 [SEVERE] java.lang.NullPointerException
	at fr.neatmonster.nocheatplus.checks.moving.MovingData.hasSetBackWorldChanged(MovingData.java:344)
	at fr.neatmonster.nocheatplus.checks.moving.MovingListener.playerJoins(MovingListener.java:1195)
	at fr.neatmonster.nocheatplus.NoCheatPlus.onJoin(NoCheatPlus.java:868)
	at fr.neatmonster.nocheatplus.NoCheatPlus$9.onPlayerJoin(NoCheatPlus.java:827)
	at sun.reflect.GeneratedMethodAccessor397.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:26)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
	at net.minecraft.server.v1_5_R2.PlayerList.c(PlayerList.java:204)
	at net.minecraft.server.v1_5_R2.PlayerList.a(PlayerList.java:100)
	at net.minecraft.server.v1_5_R2.PendingConnection.d(PendingConnection.java:134)
	at net.minecraft.server.v1_5_R2.PendingConnection.c(PendingConnection.java:49)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:71)
	at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:580)
	at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:229)
	at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:469)
	at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:401)
	at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)