安装了竹mod后游戏运行崩溃 求解{:10_522:}

提示信息
java.lang.IllegalArgumentException: Slot 239 is already occupied by ic2.core.block.BlockITNT@11f5701 when adding ruby.bamboo.block.BlockBamboo@890b6f
        at net.minecraft.block.Block.<init>(Block.java:340)
        at ruby.bamboo.block.BlockBamboo.<init>(BlockBamboo.java:33)
        at ruby.bamboo.BambooInit.blocksInit(BambooInit.java:65)
        at ruby.bamboo.BambooInit.<init>(BambooInit.java:60)
        at mod_Bamboo.load(mod_Bamboo.java:289)
        at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:537)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
        at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
        at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
        at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
        at com.google.common.eventbus.EventBus.post(EventBus.java:267)
        at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:165)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
        at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
        at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
        at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
        at com.google.common.eventbus.EventBus.post(EventBus.java:267)
        at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:98)
        at cpw.mods.fml.common.Loader.initializeMods(Loader.java:689)
        at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:206)
        at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:444)
        at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)
        at net.minecraft.client.Minecraft.run(Minecraft.java:729)
        at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 1b17f629 ----------



求解啊

忘记说了 游戏是1.5.1版本的

方块ID冲突，建议修改竹的ID。

怎么修改啊

config文件夹内对应mod的配置文件