i am trying to instal flanes plaens mod to votlz and i keep getting dis we ever i try to ruin it
---- Minecraft Crash Report ----
// Don't do that.
Time: 4/8/13 2:50 PM
Description: Failed to start game
java.lang.IllegalArgumentException: Slot 4091 is already occupied by co.uk.flansmods.common.BlockGunBox@1172aa7 when adding mekanism.generators.common.BlockGenerator@1f16388
at amq.<init>(Block.java:326)
at akb.<init>(BlockContainer.java:11)
at mekanism.generators.common.BlockGenerator.<init>(BlockGenerator.java:49)
at mekanism.generators.common.MekanismGenerators.addBlocks(MekanismGenerators.java:141)
at mekanism.generators.common.MekanismGenerators.init(MekanismGenerators.java:55)
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.GeneratedMethodAccessor5.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 Vista (x86) version 6.0
Java Version: 1.7.0_17, Oracle Corporation
Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation
Memory: 80296808 bytes (76 MB) / 188784640 bytes (180 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 1 total; -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 22 mods loaded, 22 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
CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
mod_ReiMinimap [mod_ReiMinimap] ([1.4.6]ReiMinimap_v3.2_06.zip) Unloaded->Constructed->Pre-initialized->Initialized
BasicComponents [basic Components] (BasicComponents_v1.2.5.337.jar) Unloaded->Constructed->Pre-initialized->Initialized
AssemblyLine [Assembly Line] (AssemblyLine_v0.2.5.75.jar) Unloaded->Constructed->Pre-initialized->Initialized
AtomicScience [Atomic Science] (AtomicScience_v0.3.7.148.jar) Unloaded->Constructed->Pre-initialized->Initialized
BlastCraft [blastCraft] (Blastcraft_v0.6.1.29.jar) Unloaded->Constructed->Pre-initialized->Initialized
ElectricExpansion [Electric Expansion] (ElectricExpansion_v1.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
FlansMod [Flan's Mod] (Flans Mod 2.1.1 for Minecraft 1.4.7 Universal.zip) Unloaded->Constructed->Pre-initialized->Initialized
LiquidMechanics [LiquidMechanics] (Fluid-Mechanics_v0.2.7.16.jar) Unloaded->Constructed->Pre-initialized->Initialized
ICBM [iCBM] (ICBM_v1.0.4.140.jar) Unloaded->Constructed->Pre-initialized->Initialized
ICBM|Explosion [iCBM|Explosion] (ICBM_v1.0.4.140.jar) Unloaded->Constructed->Pre-initialized->Initialized
mod_InvTweaks [inventory Tweaks] (InvTweaks-1.50-1.4.7.zip) Unloaded->Constructed->Pre-initialized->Initialized
Mekanism [Mekanism] (Mekanism-v5.2.3b2.jar) Unloaded->Constructed->Pre-initialized->Initialized
MekanismGenerators [MekanismGenerators] (MekanismGenerators-v5.2.3b2.jar) Unloaded->Constructed->Pre-initialized->Errored
MekanismTools [MekanismTools] (MekanismTools-v5.2.3b2.jar) Unloaded->Constructed->Pre-initialized->Initialized
ModularForceFieldSystem [Modular ForceField System V2] (ModularForceFieldSystemV2.2.8.3.6.zip) Unloaded->Constructed->Pre-initialized->Initialized
mmmPowersuits [MachineMuse's Modular Powersuits] (ModularPowersuits-0.2.1-108.jar) Unloaded->Constructed->Pre-initialized->Initialized
Railcraft [Railcraft] (Railcraft_1.4.7-6.15.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
LWJGL: 2.4.2
OpenGL: ATI Radeon 3100 Graphics GL version 2.1.7417 Release, 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: null
if any one can pless help me