Support Request: compatability error? installion error? how do i fix it?

    i have downloaded and installed all 1.2.5 Technic pack mods and when i try to run mincraft i get the following in the console:



    Exception in thread "Minecraft main thread" java.lang.ExceptionInInitializerError
    at net.minecraft.client.Minecraft.a(Minecraft.java:394)
    at net.minecraft.client.Minecraft.run(Minecraft.java:732)
    at java.lang.Thread.run(Thread.java:680)
    Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodError: ic2.common.ItemIC2.setNoRepair()Lyr;
    at ModLoader.init(ModLoader.java:891)
    at ModLoader.addAllRenderers(ModLoader.java:157)
    at ahu.<init>(RenderManager.java:86)
    at ahu.<clinit>(RenderManager.java:14)
    ... 3 more
    Caused by: java.lang.NoSuchMethodError: ic2.common.ItemIC2.setNoRepair()Lyr;
    at ic2.common.ItemIC2.<init>(ItemIC2.java:28)
    at ic2.common.ItemResin.<init>(ItemResin.java:24)
    at mod_IC2.load(mod_IC2.java:226)
    at ModLoader.init(ModLoader.java:856)
    ... 6 more


    what can i do to solve this? i posted here as it seems to be linked to IC2 :/


    thanks
    et283 :)