Please help
I got the following error message after i installed the mod and launched Minecraft
FINER: THROW
java.lang.NoClassDefFoundError: ic2/common/ItemIC2
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 java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.privateGetPublicFields(Unknown Source)
at java.lang.Class.getFields(Unknown Source)
at ModLoader.setupProperties(ModLoader.java:1578)
at ModLoader.addMod(ModLoader.java:271)
at ModLoader.readFromModFolder(ModLoader.java:1169)
at ModLoader.init(ModLoader.java:811)
at ModLoader.AddAllRenderers(ModLoader.java:183)
at th.<init>(th.java:60)
at th.<clinit>(th.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:318)
at net.minecraft.client.Minecraft.run(SourceFile:716)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: ic2.common.ItemIC2
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)
... 25 more