[SEVERE] Could not pass event InventoryClickEvent to CreativeControl v6.3
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 net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:1393)
	at net.minecraft.server.v1_6_R2.Packet102WindowClick.handle(SourceFile:31)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:235)
	at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java:118)
	at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:125)
	at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:592)
	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.NoClassDefFoundError: org/bukkit/craftbukkit/v1_5_R3/entity/CraftPlayer
	at me.FurH.CreativeControl.core.internals.InternalManager.isMcPcPlusEnabled(InternalManager.java:74)
	at me.FurH.CreativeControl.core.internals.InternalManager.getEntityPlayer(InternalManager.java:39)
	at me.FurH.CreativeControl.core.CoreListener.onInventoryClick(CoreListener.java:70)
	at sun.reflect.GeneratedMethodAccessor205.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)
	... 15 more