2013-01-08 19:40:56 [SEVERE] Could not pass event PlayerPortalEvent to MobManager v1.4a
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
        at net.minecraft.server.v1_4_6.PlayerList.changeDimension(PlayerList.java:477)
        at net.minecraft.server.v1_4_6.EntityPlayer.b(EntityPlayer.java:338)
        at net.minecraft.server.v1_4_6.BlockEnderPortal.a(SourceFile:62)
        at net.minecraft.server.v1_4_6.Entity.D(Entity.java:744)
        at net.minecraft.server.v1_4_6.Entity.move(Entity.java:696)
        at net.minecraft.server.v1_4_6.EntityLiving.e(EntityLiving.java:1065)
        at net.minecraft.server.v1_4_6.EntityHuman.e(EntityHuman.java:1144)
        at net.minecraft.server.v1_4_6.EntityLiving.c(EntityLiving.java:1306)
        at net.minecraft.server.v1_4_6.EntityHuman.c(EntityHuman.java:305)
        at net.minecraft.server.v1_4_6.EntityLiving.j_(EntityLiving.java:534)
        at net.minecraft.server.v1_4_6.EntityHuman.j_(EntityHuman.java:154)
        at net.minecraft.server.v1_4_6.EntityPlayer.g(EntityPlayer.java:193)
        at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:351)
        at net.minecraft.server.v1_4_6.Packet10Flying.handle(SourceFile:136)
        at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290)
        at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112)
        at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39)
        at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:598)
        at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
        at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494)
        at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427)
        at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
        at com.forgenz.mobmanager.listeners.PlayerListener.onPlayerTeleport(PlayerListener.java:207)
        at com.forgenz.mobmanager.listeners.PlayerListener.onPlayerPortalEvent(PlayerListener.java:232)
        at sun.reflect.GeneratedMethodAccessor490.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)
        ... 26 more