BUG: Nano suit crash

Mods loaded: 35
ModLoader Beta 1.8.1
mod_IC2_AdvMachine v2.00
mod_BuildCraftCore 2.2.2
mod_BuildCraftBuilders 2.2.2
mod_BuildCraftEnergy 2.2.2
mod_BuildCraftFactory 2.2.2
mod_BuildCraftTransport 2.2.2
mod_BuildCraft_BucketFiller 2.2.2_0
mod_Console 1.0
mod_CraftingBook r2
mod_DoggyTalents 1.8.1
mod_IC2 v1.15
mod_Millenaire Millénaire 1.7.3
mod_mocreatures v2.13 (MC 1.8_1)
mod_IC2Thermometer v1.15
mod_Railcraft 1.2.0
mod_RedPowerArray 2.0pr2b
mod_RedPowerCore 2.0pr2b
mod_RedPowerLighting 2.0pr2b
mod_RedPowerLogic 2.0pr2b
mod_RedPowerMachine 2.0pr2b
mod_RedPowerWiring 2.0pr2b
mod_RedPowerWorld 2.0pr2b
mod_TechnicBridge 1.0.3
mod_WirelessRedstone 1.4
mod_WirelessClocker 0.2
mod_PowerConfigurator 0.5
mod_WirelessRemote 0.4
mod_WirelessSniffer 0.5
mod_WirelessTriangulator 0.4
mod_zAdditionalPipes 1.9
mod_ReiMinimap v2.2_01 [Beta 1.8.1]
mod_MAtmos 1.8.1 r6
mod_RecipeBook Beta 1.8
mod_IDResolver 1.8.1 - Update 0




      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 f909f5ee --------
Generated 10/23/11 3:43 AM




Minecraft: Minecraft Beta 1.8.1
OS: Windows XP (x86) version 5.1
Java: 1.7.0, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce 8600M GT/PCI/SSE2 version 3.3.0, NVIDIA Corporation




java.lang.ClassCastException: qi cannot be cast to mt
    at ic2.common.ItemArmorNanoSuit.getProperties(ItemArmorNanoSuit.java:52)
    at sz.b(EntityPlayer.java:709)
    at qs.b(EntityPlayerSP.java:549)
    at wd.a(EntityLiving.java:358)
    at sz.a(EntityPlayer.java:656)
    at abm.a_(SourceFile:128)
    at sz.j(EntityPlayer.java:401)
    at sz.p(EntityPlayer.java:391)
    at qs.p(EntityPlayerSP.java:218)
    at wd.w_(EntityLiving.java:255)
    at sz.w_(EntityPlayer.java:167)
    at qs.w_(EntityPlayerSP.java:538)
    at rv.a(World.java:1567)
    at rv.f(World.java:1543)
    at rv.l(World.java:1445)
    at net.minecraft.client.Minecraft.k(SourceFile:1384)
    at net.minecraft.client.Minecraft.run(SourceFile:666)
    at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT e57150ff ----------