Solved [Need Help] LWC plugin error

I was setting up a bukkit server and this happened... Can somebody tell me the solution? I've tried everything.

What happens (open) What happens (close)

13:07:39 [INFO] [LWC] Enabling LWC v4.4.0 (b881) (July 11, 2013)
13:07:39 [INFO] [LWC] Connecting to SQLite
13:07:40 [SEVERE] Error occurred while enabling LWC v4.4.0 (b881) (July 11, 2013
) (Is it up to date?)
java.lang.NoSuchFieldError: HOPPER
at com.griefcraft.sql.PhysDB.performDatabaseUpdates(PhysDB.java:453)
at com.griefcraft.sql.PhysDB.load(PhysDB.java:393)
at com.griefcraft.lwc.LWC.load(LWC.java:1427)
at com.griefcraft.lwc.LWCPlugin.onEnable(LWCPlugin.java:203)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:215)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:337)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:386)
at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:264)
at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:246
)
at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:198)
at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigur
ationManager.java:59)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:177)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:438)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

 

Well that seems a bit old... Try updating LWC to the latest build...

 

Thanks... I just download older versions for tekkit classic, so it could be less buggy and more compitable.