Bug: IC2 doesn't work with Thaumcraft 2 [IC2 - 1.95]

Mods loaded: 22
ModLoader 1.2.5
mod_CodeChickenCore 0.5.2
mod_ModLoaderMp 1.2.5v1
mod_MinecraftForge 3.1.2.94
mod_NotEnoughItems 1.2.1
mod_ReiMinimap v3.0_04 [1.2.5]
mod_AdditionalBuildcraftObjects 0.9.1-94 (MC 1.2.5, BC 3.1.5)
mod_BuildCraftCore 3.1.5
mod_BuildCraftBuilders 3.1.5
mod_BuildCraftEnergy 3.1.5
mod_BuildCraftFactory 3.1.5
mod_BuildCraftTransport 3.1.5
mod_LogisticsPipes 0.2.2 (built with Minecraft 1.2.5, Buildcraft 3.1.5, Forge 3.0.1.75)
mod_BuildCraftSilicon 3.1.5
mod_EE 1.4.3.0
mod_Forestry 1.4.4.0
mod_BuildCraftZFP (Forestry Package)
mod_IC2 v1.95
mod_InvTweaks 1.41b (1.2.4)
mod_Railcraft 5.0.1
mod_Timber 1.2.4
mod_ThaumCraft 2.1.3b




  	Minecraft has crashed!  	
  	----------------------  	




Minecraft has stopped running because it encountered a problem.













--- BEGIN ERROR REPORT 89cc8333 --------
Generated 23-04-2012 17:04




Minecraft: Minecraft 1.2.5
OS: Windows 7 (amd64) version 6.1
Java: 1.7.0_03, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 5700 Series version 4.2.11554 Compatibility Profile Context, ATI Technologies Inc.




java.lang.IllegalArgumentException: Slot 249 is already occupied by thaumcraft.world.BlockCustomPlants@5f1c73cc when adding ic2.common.BlockTex@44f686dc
	at pb.<init>(Block.java:249)
	at pb.<init>(Block.java:281)
	at ic2.platform.BlockCommon.<init>(BlockCommon.java:12)
	at ic2.common.BlockTex.<init>(BlockTex.java:30)
	at mod_IC2.load(mod_IC2.java:154)
	at ModLoader.init(ModLoader.java:891)
	at ModLoader.addAllRenderers(ModLoader.java:189)
	at ahu.<init>(ahu.java:77)
	at ahu.<clinit>(ahu.java:8)
	at net.minecraft.client.Minecraft.a(Minecraft.java:394)
	at net.minecraft.client.Minecraft.run(Minecraft.java:732)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT fdc8c753 ----------