2013-10-06 21:06:55 [INFO] [EssentialsChat] Enabling EssentialsChat v2.12.1
2013-10-06 21:06:55 [SEVERE] Error occurred while enabling EssentialsChat v2.12.1 (Is it up to date?)
java.lang.NoClassDefFoundError: net/ess3/api/IEssentials
at com.earth2me.essentials.chat.EssentialsChat.onEnable(EssentialsChat.java:24)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:382)
at org.bukkit.craftbukkit.v1_6_R3.CraftServer.loadPlugin(CraftServer.java:286)
at org.bukkit.craftbukkit.v1_6_R3.CraftServer.enablePlugins(CraftServer.java:268)
at org.bukkit.craftbukkit.v1_6_R3.CraftServer.reload(CraftServer.java:612)
at org.bukkit.Bukkit.reload(Bukkit.java:277)
at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:24)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192)
at org.bukkit.craftbukkit.v1_6_R3.CraftServer.dispatchCommand(CraftServer.java:527)
at net.minecraft.server.v1_6_R3.PlayerConnection.handleCommand(PlayerConnection.java:976)
at net.minecraft.server.v1_6_R3.PlayerConnection.chat(PlayerConnection.java:887)
at net.minecraft.server.v1_6_R3.PlayerConnection.a(PlayerConnection.java:834)
at net.minecraft.server.v1_6_R3.Packet3Chat.handle(SourceFile:49)
at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:230)
at net.minecraft.server.v1_6_R3.PlayerConnection.e(PlayerConnection.java:116)
at net.minecraft.server.v1_6_R3.ServerConnection.b(SourceFile:37)
at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:132)
at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:594)
at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:240)
at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:483)
at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:415)
at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)
Caused by: java.lang.ClassNotFoundException: net.ess3.api.IEssentials
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.findClass0(PluginClassLoader.java:80)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 24 more