[1.95b]savegame error

Mods loaded: 58
ModLoader 1.2.5
mod_PCcore 2.8 for 1.2.5
mod_PCwireless 2.8 for 1.2.5
mod_PCtransport 2.8 for 1.2.5
mod_PCmobile 2.8 for 1.2.5
mod_PCmachines 2.8 for 1.2.5
mod_PClogic 2.8 for 1.2.5
mod_CodeChickenCore 0.5.2
mod_ModLoaderMp 1.2.5v1
mod_MinecraftForge 3.1.2.94
mod_4096Fix v2 for 1.2.5
mod_NotEnoughItems 1.2.2
mod_soundpacks v1.0 by Crazyputje and Xamio (XamioStone)
mod_Train 1.68
mod_ReiMinimap v3.0_06 [1.2.5]
mod_AdditionalBuildcraftObjects 0.9.1-94 (MC 1.2.5, BC 3.1.5)
mod_BuildCraftCore 3.1.5
mod_BuildCraftBuilders 3.1.5
mod_BuildCraftEnergy 3.1.5
mod_BuildCraftFactory 3.1.5
mod_BuildCraftTransport 3.1.5
mod_SneakyPipes 0.1.1 (Minecraft 1.2.5, Buildcraft 3.1.5, Forge 3.0.1.75)
mod_LogisticsPipes 0.2.5 (built with Minecraft 1.2.5, Buildcraft 3.1.5, Forge 3.1.2.90)
mod_AdditionalPipes 3.0.10 (Minecraft 1.2.5, Buildcraft 3.1.5, Forge 3.1.2.93)
mod_BuildCraftSilicon 3.1.5
mod_ClayMan 1.2.5 v.6.2
mod_DoggyTalents 1.2.5
mod_EE 1.4.4.0
mod_EnderStorage 1.1.1
mod_Forestry 1.4.4.2
mod_BuildCraftZFP (Forestry Package)
mod_IC2 v1.95
mod_AdvancedMachines v1.5 for IC2 1.95
mod_InvTweaks 1.41b (1.2.4)
mod_PigbearLaser 1.4
mod_Minions 1.2.2 @ MC 1.2.5
DrZhark's Mo'Creatures v3.5.0 (MC 1.2.5)
mod_CompactSolars 2.1
mod_IronChest 3.3
mod_MorePistons v0.9.8 for [1.2.5]
mod_PortalGun 1.2.5v1
mod_Railcraft 5.2.0
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
mod_RopesPlus 1.0.0 @ MC 1.2.5
mod_SecretRooms SecretRoomsMod v4.0
mod_stevescarts 1.2.0
mod_TheFGels TheFGels v 1.0
mod_WirelessRedstoneCore 1.2.0
mod_WirelessRedstoneRedPower 1.2.0
mod_WirelessRedstoneAddons 1.2.0
mod_GibbingZombies 1.2.5v2
mod_ThaumCraft 2.1.4

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.

--- BEGIN ERROR REPORT 1b7dbc8f --------
Generated 2-5-12 16:23

Minecraft: Minecraft 1.2.5
OS: Windows 7 (x86) version 6.1
Java: 1.6.0_31, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode, sharing), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: GeForce GT 230/PCIe/SSE2 version 3.3.0, NVIDIA Corporation

java.lang.NullPointerException
at ic2.common.TileEntityReactorChamber.onCreated(TileEntityReactorChamber.java:33)
at ic2.common.TileEntityReactorChamber$1.tickCallback(TileEntityReactorChamber.java:22)
at mod_IC2.OnTickInGame(mod_IC2.java:1377)
at ic2.platform.Ic2.onTickInGame(Ic2.java:347)
at ModLoader.onTick(ModLoader.java:1102)
at EntityRendererProxy.b(EntityRendererProxy.java:22)
at net.minecraft.client.Minecraft.x(Minecraft.java:869)
at net.minecraft.client.Minecraft.run(Minecraft.java:747)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 82a58ff4 ----------