FTB-forestry problem

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 1/26/13 11:30 PM
Description: Failed to start game

java.lang.RuntimeException: Tried to recreate an item id (13131 / shifted:13387) for an item which already exists as forestry.arboriculture.items.ItemGrafter@34d6e7b8. Check your config and resolve the conflict.
	at forestry.core.config.Config.getOrCreateItemIdProperty(Config.java:359)
	at forestry.plugins.PluginForestryCore.registerItems(PluginForestryCore.java:336)
	at forestry.plugins.NativePlugin.preInit(NativePlugin.java:18)
	at forestry.plugins.PluginForestryCore.preInit(PluginForestryCore.java:60)
	at forestry.core.ForestryCore.init(ForestryCore.java:68)
	at forestry.core.ForestryClient.init(ForestryClient.java:32)
	at forestry.Forestry.init(Forestry.java:48)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:485)
	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
	at com.google.common.eventbus.EventBus.post(EventBus.java:268)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:140)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
	at com.google.common.eventbus.EventBus.post(EventBus.java:268)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:83)
	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:657)
	at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:207)
	at net.minecraft.client.Minecraft.a(Minecraft.java:456)
	at asq.a(SourceFile:56)
	at net.minecraft.client.Minecraft.run(Minecraft.java:744)
	at java.lang.Thread.run(Thread.java:680)


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

-- System Details --
Details:
	Minecraft Version: 1.4.7
	Operating System: Mac OS X (x86_64) version 10.7.5
	Java Version: 1.6.0_37, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 431582624 bytes (411 MB) / 534708224 bytes (509 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	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: 0, tallocated: 0
	FML: MCP v7.26 FML v4.7.10.524 Minecraft Forge 6.6.0.499 59 mods loaded, 59 mods active
	mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized
	FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
	Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
	CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
	NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized
	BuildCraft|Core [BuildCraft] (buildcraft-A-3.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	ComputerCraft [ComputerCraft] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized
	CCTurtle [ComputerCraft Turtles] (computercraft.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ThermalExpansion [Thermal Expansion] (ThermalExpansion-2.2.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ThermalExpansion|Factory [Factory] (ThermalExpansion-2.2.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ThermalExpansion|Energy [Energy] (ThermalExpansion-2.2.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ThermalExpansion|NEI [NEI] (ThermalExpansion-2.2.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ThermalExpansion|Transport [Transport] (ThermalExpansion-2.2.0.zip) Unloaded->Constructed->Pre-initialized->Initialized
	BuildCraft|Builders [BC Builders] (buildcraft-A-3.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	BuildCraft|Energy [BC Energy] (buildcraft-A-3.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	BuildCraft|Factory [BC Factory] (buildcraft-A-3.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	BuildCraft|Transport [BC Transport] (buildcraft-A-3.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	BuildCraft|Silicon [BC Silicon] (buildcraft-A-3.4.2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	OmniTools [OmniTools] (omnitools.zip) Unloaded->Constructed->Pre-initialized->Initialized
	IC2 [IndustrialCraft 2] (ic2.jar) Unloaded->Constructed->Pre-initialized->Initialized
	ChargePads [Charge Pads] (chargepads.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ChickenChunks [ChickenChunks] (chickenchunks.jar) Unloaded->Constructed->Pre-initialized->Initialized
	CompactSolars [Compact Solar Arrays] (compactsolars.zip) Unloaded->Constructed->Pre-initialized->Initialized
	EE3 [Equivalent Exchange 3] (ee3.jar) Unloaded->Constructed->Pre-initialized->Initialized
	EnderStorage [EnderStorage] (enderstorage.jar) Unloaded->Constructed->Pre-initialized->Initialized
	ExtrabiomesXL [ExtrabiomesXL] (extrabiomesxl.jar) Unloaded->Constructed->Pre-initialized->Initialized
	Forestry [Forestry for Minecraft] (forestry-A-2.0.0.1.jar) Unloaded->Constructed->Pre-initialized->Errored
	BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed->Pre-initialized->Initialized
	factorization [Factorization] (factorization.jar) Unloaded->Constructed->Pre-initialized->Initialized
	GraviGun [GraviGun] (gravigun.zip) Unloaded->Constructed->Pre-initialized->Initialized
	GraviSuite [Gravitation Suite] (gravisuite.zip) Unloaded->Constructed->Pre-initialized->Initialized
	IC2NuclearControl [Nuclear Control] (ic2nuclearcontrol.zip) Unloaded->Constructed->Pre-initialized->Initialized
	mod_InvTweaks [Inventory Tweaks] (invtweaks.zip) Unloaded->Constructed->Pre-initialized->Initialized
	IronChest [Iron Chest] (ironchest.zip) Unloaded->Constructed->Pre-initialized->Initialized
	MiscPeripherals [MiscPeripherals] (miscperipherals.zip) Unloaded->Constructed->Pre-initialized->Initialized
	ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed->Pre-initialized->Initialized
	Mystcraft [Mystcraft] (mystcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized
	NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed->Pre-initialized->Initialized
	ObsidiPlates [Obsidian Pressure Plates] (obsidiplates.zip) Unloaded->Constructed->Pre-initialized->Initialized
	PortalGun [Portal Gun] (portalgun.zip) Unloaded->Constructed->Pre-initialized->Initialized
	Railcraft [Railcraft] (railcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerBase [RP Base] (redpowercore.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerMachine [RP Machine] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerCompat [RP Compat] (redpowercompat.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerWiring [RP Wiring] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerLogic [RP Logic] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerLighting [RP Lighting] (redpowerdigital.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerWorld [RP World] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized
	RedPowerControl [RP Control] (redpowermechanical.zip) Unloaded->Constructed->Pre-initialized->Initialized
	mod_ReiMinimap [mod_ReiMinimap] (reiminimap.zip) Unloaded->Constructed->Pre-initialized->Initialized
	SoulShards [SoulShards] (soulshards.zip) Unloaded->Constructed->Pre-initialized->Initialized
	StevesCarts [Steve's Carts] (stevescarts.zip) Unloaded->Constructed->Pre-initialized->Initialized
	Thaumcraft [Thaumcraft] (thaumcraft.zip) Unloaded->Constructed->Pre-initialized->Initialized
	WR-CBE|Core [WR-CBE Core] (wirelessredstonecore.jar) Unloaded->Constructed->Pre-initialized->Initialized
	WR-CBE|Addons [WR-CBE Addons] (wirelessredstoneaddons.jar) Unloaded->Constructed->Pre-initialized->Initialized
	WR-CBE|RedPower [WR-CBE RedPower] (wirelessredstoneredpower.jar) Unloaded->Constructed->Pre-initialized->Initialized
	XyCraft [XyCraft] (xycraft.zip) Unloaded->Constructed->Pre-initialized->Initialized
	LWJGL: 2.4.2
	OpenGL: AMD Radeon HD 6490M OpenGL Engine GL version 2.1 ATI-7.32.12, ATI Technologies Inc.
	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