Bug: Crash when shift-clicking single-use batteries twice from hotbar t o inventory to MFSU in MFSU screen

Mods loaded: 15
ModLoader Beta 1.7.3
mod_BuildCraftBuilders 2.1.0
mod_BuildCraftCore 2.1.0
mod_BuildCraftEnergy 2.1.0
mod_BuildCraftFactory 2.1.0
mod_BuildCraftTransport 2.1.0
mod_IC2 v0.90
mod_RecipeBook Beta 1.7.3
mod_RedPowerArray 1.7.1
mod_RedPowerCore 1.7.1
mod_RedPowerLighting 1.7.1
mod_RedPowerLogic 1.7.1
mod_RedPowerWiring 1.7.1
mod_TooManyItems 1.7.2 2011-07-01
mod_Zeppelin 1.7.3.0.2

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 7a808f96 --------
Generated 8/30/11 8:58 AM

Minecraft: Minecraft Beta 1.7.3
OS: Windows 7 (amd64) version 6.1
Java: 1.6.0_23, Sun Microsystems Inc.
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: GeForce GTX 580/PCI/SSE2 version 4.1.0, NVIDIA Corporation

java.lang.IndexOutOfBoundsException: Index: 38, Size: 38
at java.util.ArrayList.RangeCheck(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at dw.a(SourceFile:272)
at ic2.ContainerElectricBlock.a(ContainerElectricBlock.java:90)
at dw.a(SourceFile:110)
at ob.a(PlayerController.java:144)
at id.a(id.java:191)
at da.f(SourceFile:120)
at da.e(SourceFile:108)
at net.minecraft.client.Minecraft.k(SourceFile:1299)
at net.minecraft.client.Minecraft.run(SourceFile:754)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT aa796af ----------