guys i need help,i open my minecraft and it says this:Mods loaded: 4
ModLoader 1.2.5
mod_ReiMinimap v3.0_04 [1.2.5]
mod_TooManyItems 1.2.5 2012-04-13
mod_Timber 1.2.4

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

Minecraft has stopped running because it encountered a problem.

--- BEGIN ERROR REPORT af9d2b5f --------
Generated 5/4/12 8:43 PM

Minecraft: Minecraft 1.2.5
OS: Windows 7 (x86) version 6.1
Java: 1.7.0, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: AMD Radeon HD 6310 Graphics version 4.1.10834 Compatibility Profile Context, ATI Technologies Inc.

java.lang.NoClassDefFoundError: BlockTimberTree
at mod_Timber.load(mod_Timber.java:20)
at ModLoader.init(ModLoader.java:891)
at ModLoader.addAllRenderers(ModLoader.java:189)
at ahu.(ahu.java:77)
at ahu.(ahu.java:8)
at net.minecraft.client.Minecraft.a(SourceFile:273)
at net.minecraft.client.Minecraft.run(SourceFile:657)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: BlockTimberTree
at java.net.URLClassLoader$1.run(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)
... 8 more
--- END ERROR REPORT 84b13297 ----------