2013-01-24 11:50:06 [SEVERE] Could not pass event PlayerQuitEvent to DragonAntiPvPLeaver v1.9.1
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.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at net.minecraft.server.v1_4_R1.PlayerList.disconnect(PlayerList.java:209)
	at net.minecraft.server.v1_4_R1.PlayerConnection.a(PlayerConnection.java:717)
	at net.minecraft.server.v1_4_R1.NetworkManager.b(NetworkManager.java:295)
	at net.minecraft.server.v1_4_R1.PlayerConnection.d(PlayerConnection.java:113)
	at net.minecraft.server.v1_4_R1.ServerConnection.b(SourceFile:39)
	at net.minecraft.server.v1_4_R1.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:598)
	at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NoSuchMethodError: net.minecraft.server.v1_4_R1.Entity.getBukkitEntity()Lorg/bukkit/entity/Entity;
	at com.topcat.npclib.DragonAntiPvPListener.entity.HumanNPC.getInventory(HumanNPC.java:69)
	at com.github.idragonfire.DragonAntiPvPLeaver.DAntiPvPLeaverPlugin.spawnHumanNPC(DAntiPvPLeaverPlugin.java:294)
	at com.github.idragonfire.DragonAntiPvPLeaver.listener.DAntiPvPLeaverListener.onPlayerQuit(DAntiPvPLeaverListener.java:79)
	at sun.reflect.GeneratedMethodAccessor284.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)
	... 14 more
2013-01-24 11:50:06 [INFO] [MCBans] Schafonaut has disconnected!
2013-01-24 11:50:06 [SEVERE] Could not pass event ChunkLoadEvent to DragonAntiPvPLeaver v1.9.1
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at org.bukkit.craftbukkit.v1_4_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:58)
	at org.bukkit.craftbukkit.v1_4_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:13)
	at org.bukkit.craftbukkit.v1_4_R1.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:179)
	at org.bukkit.craftbukkit.v1_4_R1.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:287)
	at org.bukkit.craftbukkit.v1_4_R1.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30)
	at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:537)
	at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NoSuchMethodError: net.minecraft.server.v1_4_R1.Entity.getBukkitEntity()Lorg/bukkit/entity/Entity;
	at com.topcat.npclib.DragonAntiPvPListener.entity.NPC.getBukkitEntity(NPC.java:45)
	at com.topcat.npclib.DragonAntiPvPListener.NPCManager$WL.onChunkLoad(NPCManager.java:107)
	at sun.reflect.GeneratedMethodAccessor28.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)
	... 13 more