Tekkit crashed on launch

[Snottob]

Title: Tekkit crashed on launch

Version: 3.0.3/3.0.4

OS: Windows 7 (64 bit)

Java Version: 1.7.0_0

Description of Problem:

Tekkit crashed on the splash screen when loading, before the main menu

Error Messages:

Error Log:

--- BEGIN ERROR REPORT 1bf3d4df --------

Generated 24/06/12 20:00



Minecraft: Minecraft 1.2.5

OS: Windows 7 (amd64) version 6.1

Java: 1.7.0_04, Oracle Corporation

VM: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

LWJGL: 2.4.2

OpenGL: GeForce GTX 550 Ti/PCIe/SSE2 version 4.2.0, NVIDIA Corporation



java.lang.IllegalArgumentException: Slot 249 is already occupied by ic2.common.BlockTex@7f847be3 when adding ic2.common.BlockTex@52e1b57c

	at pb.<init>(Block.java:251)

	at pb.<init>(Block.java:284)

	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 cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:324)

	at cpw.mods.fml.common.Loader.modInit(Loader.java:263)

	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:604)

	at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:203)

	at net.minecraft.client.Minecraft.a(Minecraft.java:426)

	at net.minecraft.client.Minecraft.run(Minecraft.java:735)

	at java.lang.Thread.run(Unknown Source)

--- END ERROR REPORT bd8bd236 ----------

[Torezu]

If you have it set to dev. builds, it upgraded for you and broke your block IDs. Remove your Tekkit client and reinstall 3.0.3 by changing to recommended build.