22:20:34 [SEVERE] Could not pass event org.bukkit.event.server.PluginDisableEvent to Essentials
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.java:1026)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:61)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:460)
        at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:1077)
        at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:398)
        at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:391)
        at org.bukkit.craftbukkit.CraftServer.disablePlugins(CraftServer.java:194)
        at net.minecraft.server.MinecraftServer.stop(MinecraftServer.java:385)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:465)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.java:1024)
        ... 9 more
Caused by: java.lang.NoClassDefFoundError: de/bananaco/permissions/Permissions
        at com.earth2me.essentials.perm.BPermissionsHandler.<init>(BPermissionsHandler.java:18)
        at com.earth2me.essentials.perm.PermissionsHandler.checkPermissions(PermissionsHandler.java:120)
        at com.earth2me.essentials.EssentialsPluginListener.onPluginDisable(EssentialsPluginListener.java:34)
        ... 14 more