14:08:47 [SEVERE] Could not pass event PlayerJoinEvent to ColorMe v3.8.1
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_6_R2.PlayerList.c(PlayerList.java:206)
        at net.minecraft.server.v1_6_R2.PlayerList.a(PlayerList.java:102)
        at net.minecraft.server.v1_6_R2.PendingConnection.e(PendingConnection.java:130)
        at net.minecraft.server.v1_6_R2.PendingConnection.d(PendingConnection.java:43)
        at net.minecraft.server.v1_6_R2.DedicatedServerConnectionThread.a(DedicatedServerConnectionThread.java:41)
        at net.minecraft.server.v1_6_R2.DedicatedServerConnection.b(SourceFile:29)
        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.NoClassDefFoundError: org/kitteh/tag/TagAPI
        at de.dustplanet.colorme.Actions.restoreName(Actions.java:791)
        at de.dustplanet.colorme.Actions.checkNames(Actions.java:628)
        at de.dustplanet.colorme.listeners.ColorMePlayerListener.onPlayerJoin(ColorMePlayerListener.java:78)
        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)
        ... 14 more