Mods ID conflict

Hello!
I downloaded TrainCraft and Flan's WWII but there seems to be some sort of ID conflict, help me?

/ I blame Dinnerbone.

Time: 3/28/14 2:41 PM
Description: Initializing game

java.lang.IllegalArgumentException: Slot 4095 is already occupied by src.train.common.blocks.BlockAssemblyTableI@1f313dc when adding co.uk.flansmods.common.BlockPlaneWorkbench@1e9686b
at net.minecraft.block.Block.<init>(Block.java:349)
at co.uk.flansmods.common.BlockPlaneWorkbench.<init>(BlockPlaneWorkbench.java:21)
at co.uk.flansmods.common.FlansMod.load(FlansMod.java:223)
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:545)
at sun.reflect.GeneratedMethodAccessor1.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:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
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:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:699)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:249)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:509)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
at net.minecraft.client.main.Main.main(SourceFile:101)
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 net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at net.minecraft.block.Block.<init>(Block.java:349)
at co.uk.flansmods.common.BlockPlaneWorkbench.<init>(BlockPlaneWorkbench.java:21)
at co.uk.flansmods.common.FlansMod.load(FlansMod.java:223)
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:545)
at sun.reflect.GeneratedMethodAccessor1.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:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
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:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:699)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:249)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:509)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
at net.minecraft.client.main.Main.main(SourceFile:101)
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 net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

-- System Details --
Details:
Minecraft Version: 1.6.4
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 219887424 bytes (209 MB) / 382685184 bytes (364 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 1 total; -Xmx1G
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 v8.11 FML v6.4.49.965 Minecraft Forge 9.11.1.965 Optifine OptiFine_1.6.4_HD_C7 38 mods loaded, 38 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
FML{6.4.49.965} [Forge Mod Loader] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed->Pre-initialized->Initialized
Forge{9.11.1.965} [Minecraft Forge] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed->Pre-initialized->Initialized
ImmibisMicroblocks{57.2.3} [Immibis's Microblocks] (Immibiss-Microblocks-Mod-1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized
TooManyItems{1.6.4} [TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
DamageIndicatorsMod{2.9.2.3} [Damage Indicators] (1.6.4 DamageIndicatorsv2.9.2.3.zip) Unloaded->Constructed->Pre-initialized->Initialized
battlegear2{1.0.5.3} [Mine & Blade Battlegear 2 - Bullseye] (1.6.4-MB_Battlegear2-Bullseye-1.0.5.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
custom_flags{1.3.1} [Custom Flags] ([1.6.2] Custom Flags - 1.3.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
bspkrsCore{v5.2(1.6.4)} [bspkrsCore] ([1.6.4]bspkrsCorev5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized
TreeCapitator{Forge 1.6.4.r09} [Treecapitator] ([1.6.4]TreeCapitator.Forge.1.6.4.r09.Universal.zip) Unloaded->Constructed->Pre-initialized->Initialized
Agriculture{1.0.0} [Agriculture] (Agriculture-1.6.4-1.2.13.jar) Unloaded->Constructed->Pre-initialized->Initialized
AlchemicalReactions{1.2.1} [Alchemical Reactions] (Alchemical Reactions v1.2.3 [1.6.4].zip) Unloaded->Constructed->Pre-initialized->Initialized
Backpack{1.12.15} [Backpack] (backpack-1.12.15-1.6.2.zip) Unloaded->Constructed->Pre-initialized->Initialized
basicgunsmod{2.1.0} [BasicGunsMod] (BasicGunsMod 1.6.4 v1.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Core{4.2.1} [BuildCraft] (buildcraft-A-1.6.4-4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Builders{4.2.1} [BC Builders] (buildcraft-A-1.6.4-4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Energy{4.2.1} [BC Energy] (buildcraft-A-1.6.4-4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Factory{4.2.1} [BC Factory] (buildcraft-A-1.6.4-4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Transport{4.2.1} [BC Transport] (buildcraft-A-1.6.4-4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
BuildCraft|Silicon{4.2.1} [BC Silicon] (buildcraft-A-1.6.4-4.2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized
customnpcs{1.6.4} [CustomNpcs] (CustomNPCs_1.6.2-1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
props{1.6} [DecoCraft] (DecoCraft 1.6.4 V1.6.zip) Unloaded->Constructed->Pre-initialized->Initialized
FlansMod{4.1.1} [Flans Mod] (FlansMod-4.1.1.jar) Unloaded->Constructed->Pre-initialized->Errored
ImmibisCore{57.1.4} [Immibis Core] (Immibis-Core-1.6.4.jar) Unloaded->Constructed->Pre-initialized->Initialized
lom{102.0.4} [LotsOMobs] (LotsOMobs_102.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized
dna{2.1} [dna] (LotsOMobs_102.0.5.jar) Unloaded->Constructed->Pre-initialized->Initialized
MapWriter{2.0} [MapWriter] (mapwriter-2.0.11.zip) Unloaded->Constructed->Pre-initialized->Initialized
Railcraft{8.3.2.0} [Railcraft] (Railcraft_1.6.4-8.3.2.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
mod_ReiMinimap{v3.4_01 [1.6.2]} [mod_ReiMinimap] (Rei's Minimap 1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
fyresmodjam{0.0.3d} [The You Will Die Mod] (TheYouWillDieMod v0.0.3d (1).zip) Unloaded->Constructed->Pre-initialized->Initialized
TC{4.1.3_001} [Traincraft] (traincraft-4.1.3_001.jar) Unloaded->Constructed->Pre-initialized->Initialized
tuxweapons{0.6} [TuxWeapons] (TuxWeapons-1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized
Vending{1.0.10} [Vending] (vending-1.6.4-1.0.10.jar) Unloaded->Constructed->Pre-initialized->Initialized
weaponmod{1.6.2 v1.13.6} [Balkon's WeaponMod] (WeaponMod.zip) Unloaded->Constructed->Pre-initialized->Initialized
YALSM{2.0.3} [Yet Another Leather Smelting Mod] (yalsm-2.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized
ForgeMultipart{1.0.0.244} [Forge Multipart] (ForgeMultipart-universal-1.6.4-1.0.0.244.jar) Unloaded->Constructed->Pre-initialized->Initialized
McMultipart{1.0.0.244} [Minecraft Multipart Plugin] (ForgeMultipart-universal-1.6.4-1.0.0.244.jar) Unloaded->Constructed->Pre-initialized->Initialized
ForgeMicroblock{1.0.0.244} [Forge Microblocks] (ForgeMultipart-universal-1.6.4-1.0.0.244.jar) Unloaded->Constructed->Pre-initialized->Initialized
Launched Version: 1.6.4-Forge9.11.1.965
LWJGL: 2.9.0
OpenGL: Radeon X1550 Series GL version 2.1.8545 Release, ATI Technologies Inc.
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Pack: Default
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null