org/bukkit/util/config/Configuration
	at com.garbagemule.MobArena.MobArena.loadConfig(MobArena.java:102)
	at com.garbagemule.MobArena.MobArena.onEnable(MobArena.java:62)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:215)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:336)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:250)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:232)
	at net.minecraft.server.MinecraftServer.t(MinecraftServer.java:371)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:358)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:187)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:422)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.ClassNotFoundException: org.bukkit.util.config.Configuration
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:41)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)