gthroc

please help

Launcher Version: tekkit Operating System: windows Java Version: lastest version Antivirus Program: non running at the moment of launch Description of Problem: --- BEGIN ERROR REPORT 1f2e317e -------- Generated 8/29/12 1:07 PM Minecraft: Minecraft 1.2.5 OS: Windows 7 (amd64) version 6.1 Java: 1.7.0_06, Oracle Corporation VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation LWJGL: 2.4.2 OpenGL: ATI Mobility Radeon HD 5870 version 3.2.9236, ATI Technologies Inc. java.lang.IllegalArgumentException: Slot 241 is already occupied by codechicken.enderstorage.BlockEnderChest@593444ea when adding ic2.common.BlockRubSapling@76988c66 at pb.<init>(Block.java:251) at qk.<init>(SourceFile:11) at qk.<init>(SourceFile:19) at zc.<init>(SourceFile:19) at ic2.common.BlockRubSapling.<init>(BlockRubSapling.java:24) at mod_IC2.load(mod_IC2.java:224) at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356) at cpw.mods.fml.common.Loader.modInit(Loader.java:273) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628) at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223) at net.minecraft.client.Minecraft.a(Minecraft.java:429) at net.minecraft.client.Minecraft.run(Minecraft.java:738) at java.lang.Thread.run(Unknown Source) --- END ERROR REPORT caf3beea ---------- Error Messages: error is listed above Error Log: --- BEGIN ERROR REPORT 1f2e317e -------- Generated 8/29/12 1:07 PM Minecraft: Minecraft 1.2.5 OS: Windows 7 (amd64) version 6.1 Java: 1.7.0_06, Oracle Corporation VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation LWJGL: 2.4.2 OpenGL: ATI Mobility Radeon HD 5870 version 3.2.9236, ATI Technologies Inc. java.lang.IllegalArgumentException: Slot 241 is already occupied by codechicken.enderstorage.BlockEnderChest@593444ea when adding ic2.common.BlockRubSapling@76988c66 at pb.<init>(Block.java:251) at qk.<init>(SourceFile:11) at qk.<init>(SourceFile:19) at zc.<init>(SourceFile:19) at ic2.common.BlockRubSapling.<init>(BlockRubSapling.java:24) at mod_IC2.load(mod_IC2.java:224) at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356) at cpw.mods.fml.common.Loader.modInit(Loader.java:273) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628) at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223) at net.minecraft.client.Minecraft.a(Minecraft.java:429) at net.minecraft.client.Minecraft.run(Minecraft.java:738) at java.lang.Thread.run(Unknown Source) --- END ERROR REPORT caf3beea ----------