Crash after starting steam engine/quarry

[bittersweet]

Title: Crash after starting steam engine/quarry

Version: 3.1.3

OS: Mac OS X 10.8.2

Java Version: Java 7

Description of Problem:

When i started my steam engine to my quarry, the game crashed. It also happened in another world of mine with no quarry, and many redstone engines running.

Error Messages:

Error Log:

42 mods loaded

Optifine OptiFine_1.2.5_HD_S_C6

Minecraft Forge 3.3.8.164

FML v2.2.106.176

Forge Mod Loader version 2.2.106.176 for Minecraft 1.2.5

	mod_MinecraftForge : Initialized (modpack.jar)

	mod_CodeChickenCore : Initialized (modpack.jar)

	mod_NotEnoughItems : Initialized (modpack.jar)

	mod_IC2AdvancedMachines : Initialized (AdvancedMachines_4.0_client.zip)

	mod_CCTurtle : Pre-initialized (ComputerCraft1.41.zip)

	mod_ComputerCraft : Pre-initialized (ComputerCraft1.41.zip)

	mod_EE : Pre-initialized (EE2ClientV1.4.6.5.jar)

	mod_EnderStorage : Pre-initialized (EnderStorage-Client 1.1.3.zip)

	mod_IC2NuclearControl : Pre-initialized (IC2NuclearControl_client_v1.1.10b.zip)

	mod_InvTweaks : Pre-initialized (InvTweaks-1.41b-1.2.4.zip)

	mod_MAtmos_forModLoader : Pre-initialized (MAtmos_packaged.zip)

	mod_NetherOres : Pre-initialized (NetherOres_Client_1.2.1.zip)

	mod_PowerConverters : Pre-initialized (PowerConverters_Client_1.3.4.zip)

	mod_Railcraft : Pre-initialized (Railcraft_Client_5.4.7b)

	mod_Railcraft : Loaded (Railcraft_Client_5.4.7b.zip)

	mod_RedPowerControl : Loaded (RedPowerControl-2.0pr5b2.zip)

	mod_RedPowerCore : Loaded (RedPowerCore-2.0pr5b2.zip)

	mod_RedPowerLighting : Loaded (RedPowerLighting-2.0pr5b2.zip)

	mod_RedPowerLogic : Loaded (RedPowerLogic-2.0pr5b2.zip)

	mod_RedPowerMachine : Loaded (RedPowerMachine-2.0pr5b2.zip)

	mod_RedPowerWiring : Loaded (RedPowerWiring-2.0pr5b2.zip)

	mod_RedPowerWorld : Loaded (RedPowerWorld-2.0pr5b2.zip)

	mod_WirelessRedstoneAddons : Loaded (WR-CBE Addons-Client 1.2.2.3.zip)

	mod_WirelessRedstoneCore : Loaded (WR-CBE Core-Client 1.2.2.3.zip)

	mod_WirelessRedstoneRedPower : Loaded (WR-CBE RedPower-Client 1.2.2.1.zip)

	mod_WeaponMod : Loaded (WeaponMod.zip)

	mod_ReiMinimap : Loaded ([1.2.5]ReiMinimap_v3.2_04.zip)

	mod_BuildCraftCore : Loaded (buildcraft-client-A-core-2.2.14.zip)

	mod_BuildCraftBuilders : Loaded (buildcraft-client-B-builders-2.2.14.zip)

	mod_BuildCraftEnergy : Loaded (buildcraft-client-B-energy-2.2.14.zip)

	mod_BuildCraftFactory : Loaded (buildcraft-client-B-factory-2.2.14.zip)

	mod_BuildCraftTransport : Loaded (buildcraft-client-B-transport-2.2.14.zip)

	mod_AdditionalPipes : Loaded (buildcraft-client-DA-additionalpipes-2.1.3.zip)

	mod_ccSensors : Loaded (ccSensors-client-MC125-B017pr1.zip)

	mod_ImmibisCore : Loaded (immibis-core_49.1.1_for_1.2.5-client.jar)

	mod_IC2 : Loaded (industrialcraft-2-client_1.103.jar)

	mod_ModularForceFieldSystem : Loaded (mffs_rev7_for_1.2.5-client.zip)

	mod_IC2_ChargingBench : Loaded (mod_chargingbench-client-1.95b-1.2.5-r1.zip)

	mod_CompactSolars : Loaded (mod_compactsolars-client-2.3.2.10.zip)

	mod_IronChest : Loaded (mod_ironchests-client-3.8.0.40.zip)

	mod_TubeStuff : Loaded (tubestuff_49.1.2_for_1.2.5-client.jar)

	mod_ImmiChunkLoaders : Loaded (zdimensional-anchor_rev3.2_for_1.2.5-client.jar)





      Minecraft has crashed!      

      ----------------------      



Minecraft has stopped running because it encountered a problem.









--- BEGIN ERROR REPORT 9c892035 --------

Generated 12/29/12 6:54 PM



Minecraft: Minecraft 1.2.5

OS: Mac OS X (x86_64) version 10.8.2

Java: 1.6.0_37, Apple Inc.

VM: Java HotSpot 64-Bit Server VM (mixed mode), Apple Inc.

LWJGL: 2.4.2

OpenGL: NVIDIA GeForce 9400 OpenGL Engine version 2.1 NVIDIA-8.0.61, NVIDIA Corporation



java.lang.NullPointerException

	at dan200.turtle.shared.CCTurtle.registerTileEntities(CCTurtle.java:275)

	at dan200.turtle.shared.CCTurtle.load(CCTurtle.java:37)

	at mod_CCTurtle.load(mod_CCTurtle.java:38)

	at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356)

	at cpw.mods.fml.common.Loader.modInit(Loader.java:273)

	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628)

	at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223)

	at net.minecraft.client.Minecraft.a(Minecraft.java:429)

	at net.minecraft.client.Minecraft.run(Minecraft.java:738)

	at java.lang.Thread.run(Thread.java:680)

--- END ERROR REPORT 4934b5d6 ----------