ModLoader 1.1 Not Working

Thanks for your help! I got it to work!

You are using a mod, which requires ModLoaderMp.
java.lang.NoClassDefFoundError: BaseModMp
Basically it couldnt find that class. Install ModLoaderMp and report back

BaseModMP?

Modloader MP?

Mods loaded: 2
ModLoader 1.1
mod_TooManyItems 1.1 2012-01-12

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.

If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.



--- BEGIN ERROR REPORT d405d1da --------
Generated 1/21/12 6:29 AM

Minecraft: Minecraft 1.1
OS: Mac OS X (x86_64) version 10.6.8
Java: 1.6.0_29, Apple Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 2400 XT OpenGL Engine version 2.1 ATI-1.6.36, ATI Technologies Inc.

java.lang.NoClassDefFoundError: BaseModMp
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at ModLoader.addMod(ModLoader.java:264)
at ModLoader.readFromClassPath(ModLoader.java:1239)
at ModLoader.init(ModLoader.java:819)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.<init>(afq.java:80)
at afq.<clinit>(afq.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:265)
at net.minecraft.client.Minecraft.run(SourceFile:648)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException: BaseModMp
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 21 more
--- END ERROR REPORT 8b2dc2ac ----------

That is what is says when it crashes!

I was trying to install the magic wands mod by Mighty Pork.
http://www.planetminecraft.com/mod/magicwands/

And when I checked my Mod folder, it had a "1.0.0" folder in it with old mods, could that have been the problem?

look in your mods folder
if there are any zips, thats your problem because those zips are probably outdated mods that were there when you updated to 1.1

What mod are you trying to install?