SMP Error

ubuntu@cortex:/mnt/ebs/tfc$ ./start.sh
182 recipes
27 achievements
2012-06-18 15:33:35 [INFO] Starting minecraft server version 1.2.5
2012-06-18 15:33:35 [INFO] Forge Mod Loader version 1.0.0.73 for Minecraft 1.2.5 loading
2012-06-18 15:33:35 [INFO] Loading mods from /mnt/ebs/tfc/mods
2012-06-18 15:33:35 [INFO] Forge Mod Loader has loaded 2 mods
java.lang.NoClassDefFoundError: LTFC_Core/IProxy;
        at java.lang.Class.getDeclaredFields0(Native Method)
        at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
        at java.lang.Class.getDeclaredFields(Class.java:1760)
        at cpw.mods.fml.server.ModLoaderModContainer.configureMod(ModLoaderModContainer.java:112)
        at cpw.mods.fml.server.ModLoaderModContainer.preInit(ModLoaderModContainer.java:73)
        at cpw.mods.fml.common.Loader.preModInit(Loader.java:201)
        at cpw.mods.fml.common.Loader.loadMods(Loader.java:528)
        at cpw.mods.fml.server.FMLServerHandler.onPreLoad(FMLServerHandler.java:119)
        at net.minecraft.server.MinecraftServer.s(MinecraftServer.java:155)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
        at dn.run(SourceFile:492)
Caused by: java.lang.ClassNotFoundException: TFC_Core.IProxy
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
        ... 11 more
2012-06-18 15:33:35 [SEVERE] Unexpected exception
java.lang.NoClassDefFoundError: LTFC_Core/IProxy;
        at java.lang.Class.getDeclaredFields0(Native Method)
        at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
        at java.lang.Class.getDeclaredFields(Class.java:1760)
        at cpw.mods.fml.server.ModLoaderModContainer.configureMod(ModLoaderModContainer.java:112)
        at cpw.mods.fml.server.ModLoaderModContainer.preInit(ModLoaderModContainer.java:73)
        at cpw.mods.fml.common.Loader.preModInit(Loader.java:201)
        at cpw.mods.fml.common.Loader.loadMods(Loader.java:528)
        at cpw.mods.fml.server.FMLServerHandler.onPreLoad(FMLServerHandler.java:119)
        at net.minecraft.server.MinecraftServer.s(MinecraftServer.java:155)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)
        at dn.run(SourceFile:492)
Caused by: java.lang.ClassNotFoundException: TFC_Core.IProxy
        at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
        ... 11 more

2012-06-18 15:33:37 [INFO] Stopping server