2013-07-24 12:26:56 [SEVERE] Could not pass event PotionSplashEvent to Factions v2.0.3
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.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463)
	at org.bukkit.craftbukkit.v1_6_R2.event.CraftEventFactory.callPotionSplashEvent(CraftEventFactory.java:309)
	at net.minecraft.server.v1_6_R2.EntityPotion.a(EntityPotion.java:93)
	at net.minecraft.server.v1_6_R2.EntityProjectile.l_(EntityProjectile.java:156)
	at net.minecraft.server.v1_6_R2.World.entityJoinedWorld(World.java:1469)
	at net.minecraft.server.v1_6_R2.World.playerJoinedWorld(World.java:1444)
	at net.minecraft.server.v1_6_R2.World.tickEntities(World.java:1316)
	at net.minecraft.server.v1_6_R2.WorldServer.tickEntities(WorldServer.java:517)
	at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:571)
	at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:239)
	at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:481)
	at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:413)
	at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.IllegalArgumentException: Instant potions cannot be extended
	at org.apache.commons.lang.Validate.isTrue(Validate.java:136)
	at org.bukkit.potion.Potion.setHasExtendedDuration(Potion.java:246)
	at org.bukkit.potion.Potion.extend(Potion.java:130)
	at org.bukkit.potion.Potion.fromDamage(Potion.java:380)
	at org.bukkit.potion.Potion.fromItemStack(Potion.java:389)
	at com.massivecraft.mcore.util.MUtil.getPotionEffects(MUtil.java:301)
	at com.massivecraft.mcore.util.MUtil.isHarmfulPotion(MUtil.java:338)
	at com.massivecraft.mcore.util.MUtil.isHarmfulPotion(MUtil.java:350)
	at com.massivecraft.factions.listeners.FactionsListenerMain.canCombatDamageHappen(FactionsListenerMain.java:252)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 16 more