[21:40:33] [Server thread/INFO]: [ClearLag] Enabling ClearLag v2.6.0
[21:40:33] [Server thread/ERROR]: Error occurred while enabling ClearLag v2.6.0 (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/server/v1_6_R3/Entity
	at me.minebuilders.clearlag.Clearlag.addListeners(Clearlag.java:114) ~[?:?]
	at me.minebuilders.clearlag.Clearlag.onEnable(Clearlag.java:67) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217) ~[craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:298) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:280) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:338) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:315) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:275) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:175) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:420) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_6_R3.Entity
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70) ~[craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) ~[craftbukkit-1.7.2-dev7.jar:git-Bukkit-1.6.4-R2.0-28-g373cbb7-b2945jnks]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.7.0_25]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.7.0_25]
	... 13 more