2012-03-27 03:12:05 [INFO] [MotherNature] Enabling MotherNature v1.2
2012-03-27 03:12:05 [SEVERE] Error occurred while enabling MotherNature v1.2 (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/util/config/Configuration
	at yetanotherx.bukkitplugin.MotherNature.MotherNatureSettings.load(MotherNatureSettings.java:40)
	at yetanotherx.bukkitplugin.MotherNature.MotherNature.onEnable(MotherNature.java:56)
	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:374)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:361)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:187)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.ClassNotFoundException: org.bukkit.util.config.Configuration
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	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(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 12 more

2012-03-27 03:12:15 [INFO] [MotherNature] Disabling MotherNature v1.2
2012-03-27 03:12:15 [SEVERE] Error occurred while disabling MotherNature v1.2 (Is it up to date?)
java.lang.NullPointerException
	at yetanotherx.bukkitplugin.MotherNature.MotherNature.onDisable(MotherNature.java:38)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:362)
	at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:399)
	at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:392)
	at org.bukkit.craftbukkit.CraftServer.disablePlugins(CraftServer.java:245)
	at net.minecraft.server.MinecraftServer.stop(MinecraftServer.java:402)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)