Multiverse Portal Error

16:07:36 [SEVERE] Could not pass event PlayerTeleportEvent to Multiverse-Core
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:459)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:425)
        at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProx
y.java:104)
        at lishid.orebfuscator.hook.OrebfuscatorPlayerListenerHook.TryUpdateNetS
erverHandler(OrebfuscatorPlayerListenerHook.java:48)
        at lishid.orebfuscator.hook.OrebfuscatorPlayerListenerHook.onPlayerJoin(
OrebfuscatorPlayerListenerHook.java:35)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.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.ja
va:301)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:459)
        at net.minecraft.server.ServerConfigurationManager.c(ServerConfiguration
Manager.java:132)
        at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:129)
        at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:41)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:6
1)
        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 com.onarandombox.MultiverseCore.listeners.MVPlayerListener.playerTele
port(MVPlayerListener.java:198)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.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.ja
va:301)
        ... 20 more
16:07:36 [SEVERE] Could not pass event PlayerTeleportEvent to Multiverse-Core
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:459)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:425)
        at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:130)
        at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:41)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:6
1)
        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 com.onarandombox.MultiverseCore.listeners.MVPlayerListener.playerTele
port(MVPlayerListener.java:198)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.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.ja
va:301)
        ... 9 more