I get this error on launch.It is something about the recipes but i don't know exactly
Mods loaded: 23
ModLoader 1.1
mod_ModLoaderMp 1.0.0
mod_ReiMinimap v3.0_01 [1.1]
mod_BuildCraftCore 3.1.2
mod_BuildCraftBuilders 3.1.2
mod_BuildCraftEnergy 3.1.2
mod_BuildCraftFactory 3.1.2
mod_BuildCraftTransport 3.1.2
mod_LogisticsPipes 0.1.8 (built with Minecraft 1.1.0, Buildcraft 3.1.2, Forge 1.3.1)
mod_BuildCraftSilicon 3.1.2
mod_zAdditionalPipes Rev32.3
mod_EE Equivalent Exchange 6.0.0
mod_Forestry 1.3.0.3
mod_BuildCraftZFP (Forestry Package)
mod_IC2 v1.64
mod_NotEnoughItems 1.1.1
mod_RedPowerArray 2.0pr4d
mod_RedPowerCore 2.0pr4d
mod_RedPowerLighting 2.0pr4d
mod_RedPowerLogic 2.0pr4d
mod_RedPowerMachine 2.0pr4d
mod_RedPowerWiring 2.0pr4d
mod_RedPowerWorld 2.0pr4d
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem.
If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.
--- BEGIN ERROR REPORT 39a71127 --------
Generated 1/29/12 11:28 AM
Minecraft: Minecraft 1.1
OS: Windows XP (x86) version 5.1
Java: 1.7.0_01, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: Radeon X1300/X1550 Series version 2.1.8545 Release, ATI Technologies Inc.
java.lang.RuntimeException: java.lang.NullPointerException
at ic2.api.Ic2Recipes.getCompressorRecipes(Ic2Recipes.java:63)
at ic2.api.Ic2Recipes.addCompressorRecipe(Ic2Recipes.java:71)
at ic2.common.TileEntityCompressor.init(TileEntityCompressor.java:43)
at mod_IC2.initialize(mod_IC2.java:526)
at ic2.platform.Ic2.load(Ic2.java:65)
at ModLoader.init(ModLoader.java:824)
at ModLoader.AddAllRenderers(ModLoader.java:189)
at afq.<init>(afq.java:80)
at afq.<clinit>(afq.java:9)
at net.minecraft.client.Minecraft.a(Minecraft.java:330)
at net.minecraft.client.Minecraft.run(Minecraft.java:661)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at ic2.api.Ic2Recipes.getCompressorRecipes(Ic2Recipes.java:60)
... 11 more
--- END ERROR REPORT 3a68d0c3 ----------