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Ok i get this long ass error everytime i try to start minecraft when i have thaumcraft installed btw i am trying to add this mod to the tekkit mod pack if that helps any


Mods loaded: 40
ModLoader 1.2.5
mod_CodeChickenCore 0.5.2
mod_MinecraftForge 3.1.3.107
mod_NotEnoughItems 1.2.2
mod_ReiMinimap v3.0_04 [1.2.5]
mod_BuildCraftCore 2.2.14
mod_BuildCraftBuilders 2.2.14
mod_BuildCraftEnergy 2.2.14
mod_BuildCraftFactory 2.2.14
mod_BuildCraftTransport 2.2.14
mod_AdditionalPipes 2.1.3 (Minecraft 1.2.5, Buildcraft 2.2.14, Forge 3.0.1.75)
mod_ComputerCraft 1.33
mod_CCTurtle 1.33
mod_CraftingTableIII (Beta1.8, MC1.2.5)
mod_EE 1.4.5.1
mod_EnderStorage 1.1.1
mod_IC2NuclearControl v1.1.6
mod_ImmibisCore 48.2.1
mod_IC2 v1.95
mod_PowerConverters 1.2.5R1.3.4
mod_IC2AdvancedMachines v4.0
mod_InvTweaks 1.41b (1.2.4)
mod_MAtmos_forModLoader r12 for 1.1.x
mod_IC2_ChargingBench 1.95b
mod_CompactSolars 2.2
mod_IronChest 3.3
mod_Railcraft 5.2.4
mod_RedPowerControl 2.0pr5b2
mod_RedPowerCore 2.0pr5b2
mod_NetherOres 1.2.5R1.2.2
mod_RedPowerLighting 2.0pr5b2
mod_RedPowerLogic 2.0pr5b2
mod_RedPowerMachine 2.0pr5b2
mod_RedPowerWiring 2.0pr5b2
mod_RedPowerWorld 2.0pr5b2
mod_TubeStuff 48.2.1
mod_WirelessRedstoneCore 1.2.1
mod_WirelessRedstoneRedPower 1.2.1.1
mod_WirelessRedstoneAddons 1.2.1
mod_ThaumCraft 2.1.6b

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

Minecraft has stopped running because it encountered a problem.




--- BEGIN ERROR REPORT ca78c3ba --------
Generated 6/4/12 3:32 PM

Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
Java: 1.7.0_04, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce FX 5200/PCI/SSE2/3DNOW! version 2.0.3, NVIDIA Corporation

java.lang.IllegalArgumentException: Slot 249 is already occupied by [email protected] when adding [email protected]
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>(RenderManager.java:86)
at ahu.<clinit>(RenderManager.java:14)
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 d50891e6 ----------
d

Sorry about just putting it all out there idk how to use spoilers.

There is an id that thaumcraft uses that is clashing with something in the tekkit pack. Without thaumcraft installed look at block id 249. That block is the problem.

Something with ic2 is trying to use that block id, as well as thaumcraft.