Minecraft Forums

hi guys i recently installed the thx helicopter mod for minecraft 1.4.5 and now when i start minecraft after the mojang screen it says minecraft has crashed heres the error report



---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 01/12/12 6:12 PM
Description: Exception occured in ModLoader

java.lang.NoClassDefFoundError: BaseModMp
at java.lang.ClassLoader.defineClass1(Native Method)
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$100(Unknown Source)
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)
at ModLoader.addMod(ModLoader.java:366)
at ModLoader.readFromClassPath(ModLoader.java:1281)
at ModLoader.init(ModLoader.java:899)
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.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


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 582641080 bytes (555 MB) / 753664000 bytes (718 MB) up to 1398145024 bytes (1333 MB)
JVM Flags: 2 total; -Xmx1500m -Xms750m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: IWrUpdater, Config, WrUpdaterSmooth, ...]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
ModLoader: Mods loaded: 1
ModLoader 1.4.4


can someone help me so i can use this mod

current mods enabled
optifine
modloader
minimap mod
thx helicopter mod

thanks

one other mod is enabled that i forgot

better world generator v3

I got the same problem too and have 3 mods only.