[Tekkit crashes when it's launched]

Hello when I launch tekkit this is what appears:

Mods loaded: 29

ModLoader 1.2.5

mod_CodeChickenCore 0.5.2

mod_ModLoaderMp 1.2.5v1

mod_MinecraftForge 3.1.2.90

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_ComputerCraft 1.33

mod_CCTurtle 1.33

mod_EE 1.4.4.0

mod_EnderStorage 1.1.1

mod_IC2 v1.95

mod_InvTweaks 1.41b (1.2.4)

mod_Railcraft 5.0.3

mod_RedPowerControl 2.0pr5b1

mod_RedPowerCore 2.0pr5b1

mod_RedPowerLighting 2.0pr5b1

mod_RedPowerLogic 2.0pr5b1

mod_RedPowerMachine 2.0pr5b1

mod_RedPowerWiring 2.0pr5b1

mod_RedPowerWorld 2.0pr5b1

Balkon's WeaponMod 1.2.5 v8.6.0

mod_WirelessRedstoneCore 1.2.0

mod_WirelessRedstoneRedPower 1.2.0

mod_WirelessRedstoneAddons 1.2.0

Minecraft has crashed!

----------------------

Minecraft has stopped running because it encountered a problem.

--- BEGIN ERROR REPORT c148a767 --------

Generated 02-11-2013 23:23

Minecraft: Minecraft 1.2.5

OS: Windows 7 (amd64) version 6.1

Java: 1.6.0_17, Sun Microsystems Inc.

VM: Java HotSpot 64-Bit Server VM (mixed mode), Sun Microsystems Inc.

LWJGL: 2.9.0

OpenGL: ATI Mobility Radeon HD 5470 version 3.2.9704 Compatibility Profile Context, ATI Technologies Inc.

java.lang.IllegalArgumentException: Slot 216 is already occupied by dan200.turtle.shared.BlockTurtle@52234265 when adding ic2.common.BlockScaffold@8dc1f04

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 ic2.common.BlockScaffold.<init>(BlockScaffold.java:34)

at mod_IC2.load(mod_IC2.java:189)

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 f338512c ----------

Can you help me how can i play?

tekkit's version:3.1.2