mc_error

2012-04-19 21:53:20 [SEVERE] Could not pass event EntityPortalEnterEvent to Multiverse-NetherPortals
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
	at net.minecraft.server.BlockPortal.a(BlockPortal.java:166)
	at net.minecraft.server.Entity.move(Entity.java:635)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:366)
	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.server.NetworkListenThread.a(NetworkListenThread.java:78)
	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.NoSuchMethodError: com.onarandombox.MultiverseCore.event.MVPlayerTouchedPortalEvent.canUseThisPortal()Z
	at com.onarandombox.MultiverseNetherPortals.listeners.MVNPEntityListener.onEntityPortalEnter(MVNPEntityListener.java:110)
	at sun.reflect.GeneratedMethodAccessor199.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
	... 12 more