Error#1

2012-06-28 16:08:42 [SEVERE] Could not pass event PlayerTeleportEvent to Multiverse-Core
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:304)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:460)
	at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:340)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:221)
	at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:99)
	at net.minecraft.server.Packet10Flying.handle(SourceFile:126)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
	at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:83)
	at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:567)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
	at com.onarandombox.MultiverseCore.listeners.MVPlayerListener.playerTeleport(MVPlayerListener.java:198)
	at sun.reflect.GeneratedMethodAccessor120.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302)
	... 13 more