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I keep opening any ftb and 2 minutes later it crashes and idk what to do. This is the crash report i dont have any idea what it says so any people that do please help
---- Minecraft Crash Report ----
// My bad.

Time: 7/10/13 4:26 PM
Description: Updating screen events

java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Unknown Source)
at atv.A_(SourceFile:88)
at aul.a(SourceFile:98)
at net.minecraft.client.Minecraft.a(Minecraft.java:655)
at com.thevoxelbox.voxelmenu.GuiMainMenuVoxelBox.a(GuiMainMenuVoxelBox.java:580)
at aul.a(SourceFile:72)
at bey.a(GuiMainMenu.java:549)
at com.thevoxelbox.voxelmenu.GuiMainMenuVoxelBox.a(GuiMainMenuVoxelBox.java:551)
at aul.d(SourceFile:127)
at aul.m(SourceFile:111)
at net.minecraft.client.Minecraft.l(Minecraft.java:1513)
at net.minecraft.client.Minecraft.J(Minecraft.java:848)
at net.minecraft.client.Minecraft.run(Minecraft.java:773)
at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Unknown Source)
at atv.A_(SourceFile:88)
at aul.a(SourceFile:98)
at net.minecraft.client.Minecraft.a(Minecraft.java:655)
at com.thevoxelbox.voxelmenu.GuiMainMenuVoxelBox.a(GuiMainMenuVoxelBox.java:580)
at aul.a(SourceFile:72)
at bey.a(GuiMainMenu.java:549)
at com.thevoxelbox.voxelmenu.GuiMainMenuVoxelBox.a(GuiMainMenuVoxelBox.java:551)
at aul.d(SourceFile:127)
at aul.m(SourceFile:111)

-- Affected screen --
Details:
Screen name: atv
Stacktrace:
at net.minecraft.client.Minecraft.l(Minecraft.java:1513)
at net.minecraft.client.Minecraft.J(Minecraft.java:848)
at net.minecraft.client.Minecraft.run(Minecraft.java:773)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 294043008 bytes (280 MB) / 503894016 bytes (480 MB) up to 1046937600 bytes (998 MB)
Mod Pack: CWW256 forgot to change this.
LiteLoader Mods: 4 loaded mod(s)
- VoxelPacket version 2.0.2
- VoxelPlayer version 0.9.6
- VoxelMenu version 1.4.7_05
- VoxelMap version 1.0.0
JVM Flags: 7 total; -Xms256M -Xmx1024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+AggressiveOpts -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=128m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
FML:
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MiscPeripheralsASM [MiscPeripherals ASM] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ComputerCraft [ComputerCraft] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CCTurtle [ComputerCraft Turtles] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Energy [BC Energy] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Factory [BC Factory] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Transport [BC Transport] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BuildCraft|Silicon [BC Silicon] (buildcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
factorization [Factorization] (factorization.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExtrabiomesXL [ExtrabiomesXL] (ExtrabiomesXL-universal-1.4.7-3.11.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forestry [Forestry for Minecraft] (forestry.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CoFHCore [CoFH Core] (CoFHCore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThermalExpansion [Thermal Expansion] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OmniTools [OmniTools] (omnitools.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IC2 [IndustrialCraft 2] (IC2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Railcraft [Railcraft] (railcraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerBase [RP Base] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerMachine [RP Machine] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerCompat [RP Compat] (redpowercompat.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerWiring [RP Wiring] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerLogic [RP Logic] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerLighting [RP Lighting] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerWorld [RP World] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
RedPowerControl [RP Control] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThermalExpansion|Transport [Transport] (thermalexpansion.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TwilightForest [The Twilight Forest] (TwilightForest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
XyCraft [§3XyCraft] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
GregTech_Addon [GregTech-Addon] (GregTech.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MiscPeripherals [MiscPeripherals] (miscperipherals-3.1c.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AdvancedMachines [IC2 Advanced Machines Addon] (advancedmachines.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
AdvancedSolarPanel [Advanced Solar Panels] (advancedsolarpanel.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioCraft [BiblioCraft] (BiblioCraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ChickenChunks [ChickenChunks] (ChickenChunks 1.3.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
EnderStorage [EnderStorage] (EnderStorage.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BinnieCore [Binnie Core] (extrabees-1.5.0.6b.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ExtraBees [Extra Bees] (extrabees-1.5.0.6b.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
factorization.misc [Factorization Miscellaneous Nonsense] (factorization.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
factorization.dimensionalSlice [Factorization Dimensional Slices] (factorization.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
GraviSuite [Gravitation Suite] (gravisuite.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IC2NuclearControl [Nuclear Control] (IC2NuclearControl.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mod_InvTweaks [Inventory Tweaks] (InvTweaks.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IronChest [Iron Chest] (IronChest.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ObsidiPlates [Obsidian Pressure Plates] (obsidiplates.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
TC [Traincraft] (traincraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
drceph.petrogen [Petroleum Generator] (petrogen.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
PortalGun [Portal Gun] (PortalGun.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
SoulShards [SoulShards] (soulshards.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
StevesCarts [Steve's Carts] (StevesCarts.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Thaumcraft [Thaumcraft] (Thaumcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ThaumicBees [ThaumicBees] (thaumicbees.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Core [WR-CBE Core] (wirelessredstonecore.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|Addons [WR-CBE Addons] (wirelessredstoneaddons.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
WR-CBE|RedPower [WR-CBE RedPower] (wirelessredstoneredpower.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
XyCraftWorld [§2XyCraft World] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
XyCraftMachines [§9XyCraft Machines] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics 2000 GL version 3.1.0 - Build 9.17.10.2932, Intel
Is Modded: Definitely; Client brand changed to 'forge,fml'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null