2013-08-12 21:43:54 [SEVERE] Could not pass event PlayerDeathEvent to Quester v0.7.0-SNAPSHOT
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:35)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
at org.bukkit.craftbukkit.v1_6_R2.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:344)
at net.minecraft.server.v1_6_R2.EntityPlayer.die(EntityPlayer.java:307)
at net.minecraft.server.v1_6_R2.EntityLiving.damageEntity(EntityLiving.java:709)
at net.minecraft.server.v1_6_R2.EntityHuman.damageEntity(EntityHuman.java:714)
at net.minecraft.server.v1_6_R2.EntityPlayer.damageEntity(EntityPlayer.java:378)
at net.minecraft.server.v1_6_R2.EntityLiving.B(EntityLiving.java:980)
at net.minecraft.server.v1_6_R2.Entity.x(Entity.java:323)
at net.minecraft.server.v1_6_R2.EntityLiving.x(EntityLiving.java:145)
at net.minecraft.server.v1_6_R2.Entity.l_(Entity.java:230)
at net.minecraft.server.v1_6_R2.EntityLiving.l_(EntityLiving.java:1242)
at net.minecraft.server.v1_6_R2.EntityHuman.l_(EntityHuman.java:157)
at net.minecraft.server.v1_6_R2.EntityPlayer.h(EntityPlayer.java:223)
at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:343)
at net.minecraft.server.v1_6_R2.Packet10Flying.handle(SourceFile:136)
at net.minecraft.server.v1_6_R2.NetworkManager.b(NetworkManager.java:296)
at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java:116)
at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
at net.minecraft.server.v1_6_R2.DedicatedServerConnection.b(SourceFile:30)
at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:590)
at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NullPointerException
at com.gmail.molnardad.quester.utils.Util.isPlayer(Util.java:648)
at com.gmail.molnardad.quester.listeners.DeathListener.onKill(DeathListener.java:77)
at sun.reflect.GeneratedMethodAccessor269.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:425)
... 27 more

OK Thanks

This error happens each time a player died.

Fixed in build 43.