wat is this, I don't even...

28-Nov-2012 02:46:56 ModLoader init
FINE: ModLoader 1.4.5 Initializing...
28-Nov-2012 02:46:56 ModLoader readFromClassPath
FINER: Adding mods from C:\Documents and Settings\Callum\Application Data\.minecraft\bin\minecraft.jar
28-Nov-2012 02:46:56 ModLoader readFromClassPath
FINER: Zip found.
28-Nov-2012 02:46:56 ModLoader readFromModFolder
FINER: Adding mods from C:\Documents and Settings\Callum\Application Data\.minecraft\mods\[1.3.2]Treecapitator.MLMP.1.3.2.r08.zip
28-Nov-2012 02:46:56 ModLoader readFromModFolder
FINER: Zip found.
28-Nov-2012 02:46:56 ModLoader addMod
FINE: Failed to load mod from "mod_treecapitator.class"
28-Nov-2012 02:46:56 ModLoader addMod
FINER: THROW
java.lang.NoClassDefFoundError: BaseModMp
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(Unknown Source)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.defineClass(Unknown Source)
    at java.net.URLClassLoader.access$000(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 java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at ModLoader.addMod(ModLoader.java:366)
    at ModLoader.readFromModFolder(ModLoader.java:1380)
    at ModLoader.init(ModLoader.java:900)
    at ModLoader.addAllRenderers(ModLoader.java:215)
    at bbj.<init>(RenderManager.java:93)
    at bbj.<clinit>(RenderManager.java:14)
    at net.minecraft.client.Minecraft.a(SourceFile:259)
    at net.minecraft.client.Minecraft.run(SourceFile:515)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: BaseModMp
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 20 more
28-Nov-2012 02:47:07 ModLoader addAllRenderers
FINE: Initialized