GroupBasePVP

2012-08-14 17:51:38 [SEVERE] Could not pass event EntityDamageByEntityEvent to GroupBasedPVP
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 org.bukkit.craftbukkit.event.CraftEventFactory.callEvent(CraftEventFactory.java:80)
	at org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:364)
	at org.bukkit.craftbukkit.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:386)
	at net.minecraft.server.EntityLiving.damageEntity(EntityLiving.java:591)
	at net.minecraft.server.EntityHuman.damageEntity(EntityHuman.java:595)
	at net.minecraft.server.EntityPlayer.damageEntity(EntityPlayer.java:349)
	at net.minecraft.server.EntityHuman.attack(EntityHuman.java:762)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:1020)
	at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:160)
	at net.minecraft.server.Packet7UseEntity.handle(SourceFile:36)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
	at net.minecraft.server.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
	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 de.HomerBond005.GroupBasedPVP.GBP.getMatchingConfigurationAtLocation(GBP.java:369)
	at de.HomerBond005.GroupBasedPVP.GBP.getDisallowedGroupsAtLocationForGroup(GBP.java:387)
	at de.HomerBond005.GroupBasedPVP.GBPListener.handleDamagerGroups(GBPListener.java:146)
	at de.HomerBond005.GroupBasedPVP.GBPListener.onEntityDamage(GBPListener.java:77)
	at sun.reflect.GeneratedMethodAccessor34.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.java:330)
	... 22 more