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While I was trying to make a collaboration with a bunch of mods to play with in a single player world I ran into a problem when I put in computercraft. This is what my crash report said in the notepad:
---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]

Time: 2/11/13 8:05 PM
Description: Failed to start game

java.lang.IllegalArgumentException: Slot 4095 is already occupied by [email protected] when adding [email protected]
at amq.<init>(Block.java:326)
at amq.<init>(Block.java:359)
at xolova.blued00r.divinerpg.blocks.BlockXolovonStone.<init>(BlockXolovonStone.java:14)
at xolova.blued00r.divinerpg.DivineRPG.load(DivineRPG.java:3003)
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:487)
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:153)
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:86)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:676)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:207)
at net.minecraft.client.Minecraft.a(Minecraft.java:456)
at asq.a(SourceFile:56)
at net.minecraft.client.Minecraft.run(Minecraft.java:744)
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: 1.4.7
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_07, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 304760216 bytes (290 MB) / 648740864 bytes (618 MB) up to 954466304 bytes (910 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 v7.26a FML v4.7.32.553 Minecraft Forge 6.6.1.524 Optifine OptiFine_1.4.6_HD_U_C3 20 mods loaded, 20 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_ReiMinimap [mod_ReiMinimap] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Core [BuildCraft] (buildcraft-A-3.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Builders [BC Builders] (buildcraft-A-3.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Energy [BC Energy] (buildcraft-A-3.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Factory [BC Factory] (buildcraft-A-3.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Transport [BC Transport] (buildcraft-A-3.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Silicon [BC Silicon] (buildcraft-A-3.4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
CoFHCore [CoFH Core] (CoFHCore-1.4.7.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
ComputerCraft [ComputerCraft] (ComputerCraft1.481.zip) Unloaded->Constructed->Pre-initialized->Initialized
CCTurtle [ComputerCraft Turtles] (ComputerCraft1.481.zip) Unloaded->Constructed->Pre-initialized->Initialized
DivineRPG [DivineRPG] (DivineRPG1.2.8.jar) Unloaded->Constructed->Pre-initialized->Errored
ThermalExpansion [Thermal Expansion] (ThermalExpansion-2.2.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
IC2 [IndustrialCraft 2] (industrialcraft-2_1.112.170-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized
MCA [Minecraft Comes Alive] (mca v3.2.0b.zip) Unloaded->Constructed->Pre-initialized->Initialized
ThermalExpansion|Factory [Factory] (ThermalExpansion-2.2.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
ThermalExpansion|Energy [Energy] (ThermalExpansion-2.2.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
ThermalExpansion|Transport [Transport] (ThermalExpansion-2.2.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics Family GL version 3.0.0 - Build 8.15.10.2342, 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

Not sure of any way that I can fix it besides either removing divineRPG or computercraft, if there is any way that I can fix it without removing them then that would be great for me to know.

Okay, I found out that it is because two items are trying to take the same slot: java.lang.IllegalArgumentException: Slot 4095 is already occupied by [email protected] when adding [email protected]

Is there any way for me to fix that, or do I just have to get rid of one of the mods all together?

Any help at all? I need to know how to fix two items trying to share the same slot