2012-08-08 13:24:04 [INFO] [Orebfuscator] Disabling Orebfuscator v1.5.7
2012-08-08 13:24:04 [SEVERE] Error occurred while disabling Orebfuscator v1.5.7 (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/server/Packet56MapChunkBulk
at com.lishid.orebfuscator.Orebfuscator.onDisable(Orebfuscator.java:177)
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:251)
at net.minecraft.server.MinecraftServer.stop(MinecraftServer.java:400)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:480)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.Packet56MapChunkBulk
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
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:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 9 more