i tried installing the new ic2 build and got this error plz help if you know what the problem is
---- Minecraft Crash Report ----
// Why did you do that?
Time: 11/26/12 5:04 PM
Description: Failed to start game
java.lang.IllegalArgumentException: Slot 241 is already occupied by ic2.common.BlockRubSapling@f690e4 when adding codechicken.enderstorage.BlockEnderChest@1a29450
at amj.<init>(Block.java:292)
at aju.<init>(BlockContainer.java:7)
at codechicken.enderstorage.BlockEnderChest.<init>(BlockEnderChest.java:28)
at codechicken.enderstorage.EnderStorageProxy.load(EnderStorageProxy.java:12)
at codechicken.enderstorage.EnderStorageClientProxy.load(EnderStorageClientProxy.java:12)
at codechicken.enderstorage.EnderStorage.initialize(EnderStorage.java:49)
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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:440)
at sun.reflect.GeneratedMethodAccessor3.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:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:140)
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:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:83)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:651)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:197)
at net.minecraft.client.Minecraft.a(Minecraft.java:469)
at net.minecraft.client.Minecraft.run(Minecraft.java:756)
at java.lang.Thread.run(Unknown Source)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.6.0_35, Sun Microsystems Inc.
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
Memory: 457544976 bytes (436 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v7.23 FML v4.5.2.459 Minecraft Forge 6.4.0.396 16 mods loaded, 16 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
mod_CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
mod_NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Core [BuildCraft] (buildcraft-A-3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Transport [BC Transport] (buildcraft-A-3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Silicon [BC Silicon] (buildcraft-A-3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
APUnofficial [Additional Pipes Unofficial] (AdditionalPipes-2.1.3u28b2.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Builders [BC Builders] (buildcraft-A-3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Energy [BC Energy] (buildcraft-A-3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Factory [BC Factory] (buildcraft-A-3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
Additional-Buildcraft-Objects [Additional Buildcraft Objects] (buildcraft-Z-additional-buildcraft-objects-0.9.4.64.jar) Unloaded->Constructed->Pre-initialized->Initialized
EnderStorage [EnderStorage] (EnderStorage 1.2.1.6.jar) Unloaded->Constructed->Pre-initialized->Errored
IC2 [IndustrialCraft 2] (industrialcraft-2_1.109.113-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized
WR-CBE|Core [WR-CBE Core] (WR-CBE Core 1.3.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
LWJGL: 2.4.2
OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.1808, Intel
Is Modded: Definitely; Client brand changed to 'forge,fml'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null