ic2 for v1.2.3 crash

    i cant get ic2 to load

    this is the log


    Display Spoiler

    #
    # A fatal error has been detected by the Java Runtime Environment:
    #
    # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x7c9100c8, pid=5700, tid=6068
    #
    # JRE version: 6.0_31-b05
    # Java VM: Java HotSpot(TM) Client VM (20.6-b01 mixed mode windows-x86 )
    # Problematic frame:
    # C [ntdll.dll+0x100c8]
    #
    # If you would like to submit a bug report, please visit:
    # http://java.sun.com/webapps/bugreport/crash.jsp
    # The crash happened outside the Java Virtual Machine in native code.
    # See problematic frame for where to report the bug.
    #


    the mods that are loaded without ic2

    mod_ModLoaderMp=on
    mod_RedPowerArray=on
    mod_LogisticsPipes=on
    mod_zAdditionalPipes=on
    mod_BuildCraftBuilders=on
    mod_GuiApiIntermediateExample=on
    mod_Forestry=on
    mod_MinecraftForge=on
    mod_RedPowerWiring=on
    mod_GuiApiBasicExample=on
    mod_RedPowerWorld=on
    mod_RedPowerCore=on
    mod_4096IDs=on
    mod_BuildCraftSilicon=on
    mod_RedPowerLogic=on
    mod_PortalGun=on
    mod_GuiApiItemTickExample=on
    mod_BuildCraftCore=on
    mod_GuiApiTWLExamples=on
    mod_Uranium=on
    mod_TooManyItems=on
    loggingLevel=FINER
    mod_BuildCraftEnergy=on
    mod_ExplosivesPlus=on
    mod_RedPowerMachine=on
    mod_BuildCraftFactory=on
    mod_RedPowerLighting=on
    grassFix=true
    mod_WirelessRedstone=on
    mod_IDResolver=on
    mod_WeaponMod=on
    mod_BuildCraftTransport=on

    can anyone plz tell me if am doing anything wrong

    cheers

    ok getting sum ware

    Display Spoiler

    Mods loaded: 23
    ModLoader 1.2.3
    mod_MinecraftForge 1.4.1.59
    mod_ModLoaderMp 1.2.3v3
    mod_EE 1.4.1.2
    mod_TooManyItems 1.2.2/1.2.3 2012-03-03
    mod_MinecraftForge 1.4.1.59
    mod_ModLoaderMp 1.2.3v3
    mod_EE 1.4.1.2
    mod_TooManyItems 1.2.2/1.2.3 2012-03-03
    mod_BuildCraftCore 2.2.13pre
    mod_BuildCraftBuilders 2.2.13pre
    mod_BuildCraftEnergy 2.2.13pre
    mod_BuildCraftFactory 2.2.13pre
    mod_BuildCraftTransport 2.2.13pre
    mod_Forestry 1.2.8.0
    mod_IC2 v1.81
    mod_RedPowerArray 2.0pr4e
    mod_RedPowerCore 2.0pr4e
    mod_RedPowerLighting 2.0pr4e
    mod_RedPowerLogic 2.0pr4e
    mod_RedPowerMachine 2.0pr4e
    mod_RedPowerWiring 2.0pr4e
    mod_RedPowerWorld 2.0pr4e

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

    Minecraft has stopped running because it encountered a problem.


    --- BEGIN ERROR REPORT aeb97808 --------
    Generated 26/03/12 22:22

    Minecraft: Minecraft 1.2.3
    OS: Windows XP (x86) version 5.1
    Java: 1.6.0_31, Sun Microsystems Inc.
    VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
    LWJGL: 2.4.2
    OpenGL: ATI Radeon 9600/9550/X1050 Series version 2.1.8545 Release, ATI Technologies Inc.

    java.lang.RuntimeException: RedPowerCore: BlockID 255 occupied by ic2.common.BlockMachine, autoAssign is disabled.
    at forge.MinecraftForge.killMinecraft(MinecraftForge.java:422)
    at eloraam.core.Config.getBlockID(Config.java:114)
    at RedPowerArray.initialize(RedPowerArray.java:22)
    at mod_RedPowerArray.initialize(mod_RedPowerArray.java:37)
    at mod_RedPowerArray.modsLoaded(mod_RedPowerArray.java:18)
    at ModLoader.init(ModLoader.java:898)
    at ModLoader.addAllRenderers(ModLoader.java:186)
    at aho.<init>(aho.java:79)
    at aho.<clinit>(aho.java:9)
    at net.minecraft.client.Minecraft.a(Minecraft.java:395)
    at net.minecraft.client.Minecraft.run(Minecraft.java:732)
    at java.lang.Thread.run(Unknown Source)
    --- END ERROR REPORT f693e140 ----------


    IDResolver?

    would that help?