Error upon entering age (MV)

2013-08-24 18:59:39 [SEVERE] Could not pass event PlayerTeleportEvent to Multiverse-Core v2.4-b527
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:31)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
	at net.minecraft.network.NetServerHandler.func_72569_a(NetServerHandler.java:619)
	at com.xcompwiz.mystcraft.linking.LinkController.teleportEntity(LinkController.java:117)
	at com.xcompwiz.mystcraft.linking.LinkController.travelEntity(LinkController.java:59)
	at com.xcompwiz.mystcraft.tileentity.TileEntityBookDisplay.link(TileEntityBookDisplay.java:80)
	at com.xcompwiz.mystcraft.inventory.ContainerBook.processMessage(ContainerBook.java:274)
	at com.xcompwiz.mystcraft.network.MPacketGUIMessage.handle(MPacketGUIMessage.java:36)
	at com.xcompwiz.mystcraft.network.MystcraftPacketHandler.onPacketData(MystcraftPacketHandler.java:45)
	at cpw.mods.fml.common.network.NetworkRegistry.handlePacket(NetworkRegistry.java:265)
	at cpw.mods.fml.common.network.NetworkRegistry.handleCustomPacket(NetworkRegistry.java:254)
	at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket250Packet(FMLNetworkHandler.java:88)
	at net.minecraft.network.NetServerHandler.func_72501_a(NetServerHandler.java:2399)
	at net.minecraft.network.packet.Packet250CustomPayload.func_73279_a(SourceFile:59)
	at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:222)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
	at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:847)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.NullPointerException
	at com.onarandombox.MultiverseCore.listeners.MVPlayerListener.playerTeleport(MVPlayerListener.java:198)
	at sun.reflect.GeneratedMethodAccessor46.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:361)
	... 25 more