2013-04-23 18:47:10 [SEVERE] Could not pass event PlayerInteractEvent to DrugMeUp v0.6.7
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_5_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:181)
	at org.bukkit.craftbukkit.v1_5_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:151)
	at net.minecraft.server.v1_5_R1.PlayerConnection.a(PlayerConnection.java:615)
	at net.minecraft.server.v1_5_R1.Packet15Place.handle(SourceFile:58)
	at net.minecraft.server.v1_5_R1.NetworkManager.b(NetworkManager.java:292)
	at net.minecraft.server.v1_5_R1.PlayerConnection.d(PlayerConnection.java:113)
	at net.minecraft.server.v1_5_R1.ServerConnection.b(SourceFile:35)
	at net.minecraft.server.v1_5_R1.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.v1_5_R1.MinecraftServer.r(MinecraftServer.java:580)
	at net.minecraft.server.v1_5_R1.DedicatedServer.r(DedicatedServer.java:225)
	at net.minecraft.server.v1_5_R1.MinecraftServer.q(MinecraftServer.java:476)
	at net.minecraft.server.v1_5_R1.MinecraftServer.run(MinecraftServer.java:409)
	at net.minecraft.server.v1_5_R1.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_5_R2/entity/CraftPlayer
	at me.giinger.dmu.PlayerListener.walkWeird(PlayerListener.java:272)
	at me.giinger.dmu.PlayerListener.applyEffect(PlayerListener.java:204)
	at me.giinger.dmu.PlayerListener.gatherEffects(PlayerListener.java:142)
	at me.giinger.dmu.PlayerListener.onPlayerInteract(PlayerListener.java:53)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.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:425)
	... 16 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_5_R2.entity.CraftPlayer
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 25 more