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---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 7/30/13 1:34 AM
Description: Failed to start game

java.lang.IllegalArgumentException: Slot 202 is already occupied by [email protected] when adding [email protected]
at amq.<init>(Block.java:326)
at amq.<init>(Block.java:359)
at drzhark.mocreatures.block.MoCBlock.<init>(MoCBlock.java:22)
at drzhark.mocreatures.block.MoCBlockRock.<init>(MoCBlockRock.java:18)
at drzhark.mocreatures.MoCreatures.InitItems(MoCreatures.java:681)
at drzhark.mocreatures.MoCreatures.load(MoCreatures.java:378)
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:485)
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.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:657)
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:
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-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.6.0_24, Sun Microsystems Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
Memory: 382903080 bytes (365 MB) / 511180800 bytes (487 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 v7.26 FML v4.7.4.520 Minecraft Forge 6.6.0.497 7 mods loaded, 7 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
GuiAPI [GuiAPI] (GuiAPI-1.4.7.jar) Unloaded->Constructed->Pre-initialized->Initialized
CustomSpawner [DrZhark's CustomSpawner] (CustomMobSpawner 1.11.zip) Unloaded->Constructed->Pre-initialized->Initialized
DivineRPG [DivineRPG] (divinerpg-1.3.0.4.jar) Unloaded->Constructed->Pre-initialized->Initialized
MoCreatures [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v4.6.0.zip) Unloaded->Constructed->Pre-initialized->Errored
LWJGL: 2.4.2
OpenGL: AMD Radeon(TM) HD 6520G GL version 4.1.10600 Compatibility Profile Context, ATI Technologies Inc.
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: nullAlso, I heard I needed a certain id config to fix this. Anyone can help me with this?

Quote from webrosc

divine rpg and mo creatures are both trying to use the same id for an block, this is fixed in one of the mods configs files

How do I fix this?
Nevermind!!! I FIXED IT! Thank you all!