vtriggers error log

2012-10-10 12:49:08 [SEVERE] Could not pass event PlayerMoveEvent to VariableTriggers
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:332)
	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.NetServerHandler.a(NetServerHandler.java:216)
	at net.minecraft.server.Packet10Flying.handle(SourceFile:136)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
	at org.getspout.spout.SpoutNetServerHandler.d(SpoutNetServerHandler.java:203)
	at net.minecraft.server.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:578)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:213)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
	at org.bukkit.permissions.PermissibleBase.hasPermission(PermissibleBase.java:72)
	at org.bukkit.craftbukkit.entity.CraftHumanEntity.hasPermission(CraftHumanEntity.java:104)
	at org.getspout.spout.SpoutPermissibleBase.hasPermission(SpoutPermissibleBase.java:72)
	at org.getspout.spout.player.SpoutCraftPlayer.hasPermission(SpoutCraftPlayer.java:230)
	at com.wizardscraft.Listener_base.PlayerListener_Move.onPlayerEnterTrigger(PlayerListener_Move.java:29)
	at sun.reflect.GeneratedMethodAccessor24.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:330)
	... 15 more
2012-10-10 12:49:15 [INFO] flappx issued server command: /skill firstaid