Yardım!!!

[therakula]

Merhaba arkadaşlar ben serverime bir sürü plugin yükledim hepsi çalışıyo fakat worldguard çalışmıyo

verdiği hata şu :

[SEVERE] Could not load 'plugins\WorldGuard.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/sk89q/minecraft/util/commands/CommandsManager
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:155)
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:222)
at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:198)
at net.minecraft.server.ServerConfigurationManagerAbstract.<init>(ServerConfigurationManagerAbstract.java:50)
at net.minecraft.server.ServerConfigurationManager.<init>(SourceFile:11)
at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:105)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:380)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NoClassDefFoundError: com/sk89q/minecraft/util/commands/CommandsManager
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:144)
... 9 more
Caused by: java.lang.ClassNotFoundException: com.sk89q.minecraft.util.commands.CommandsManager
at java.net.URLClassLoader$1.run(Unknown Source)
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

napmam lazım?