Support Request : IC2 Server java.lang.RuntimeException

    I's tried everything to get this to work and i know zip about java coding x.x
    I'm using: IC2 1.71
    MP Mod Loader 1.1 V4
    MC Forge 1.3.3.26

    Help plz!

    Display Spoiler

    [SEVERE] Unexpected exception
    java.lang.RuntimeException: ModLoader has failed to initialize.
    at ModLoader.ThrowException(ModLoader.java:1388)
    at ModLoader.init(ModLoader.java:523)
    at ModLoader.Init(ModLoader.java:1451)
    at net.minecraft.server.MinecraftServer.s(MinecraftServer.java:105)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:318)
    at cz.run(SourceFile:465)
    Caused by: java.lang.NoSuchMethodError: ic2.common.ItemIC2.setNoRepair()Lhg;
    at ic2.common.ItemIC2.(ItemIC2.java:27)
    at ic2.common.ItemResin.(ItemResin.java:24)
    at mod_IC2.initialize(mod_IC2.java:273)
    at ic2.platform.Ic2.load(Ic2.java:24)
    at ModLoader.init(ModLoader.java:500)
    ... 4 more

    </init></init>