Tinkers Construct render error

2013-04-26 09:42:03 [INFO] [STDERR] java.lang.NullPointerException
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.renderer.entity.RenderItem.func_94149_a(RenderItem.java:564)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.renderer.entity.RenderItem.func_77015_a(RenderItem.java:393)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.renderer.entity.RenderItem.func_82406_b(RenderItem.java:443)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.gui.GuiIngame.func_73832_a(GuiIngame.java:852)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraftforge.client.GuiIngameForge.renderHotbar(GuiIngameForge.java:177)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraftforge.client.GuiIngameForge.func_73830_a(GuiIngameForge.java:125)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:999)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:870)
2013-04-26 09:42:03 [INFO] [STDERR] 	at net.minecraft.client.Minecraft.run(Minecraft.java:759)
2013-04-26 09:42:03 [INFO] [STDERR] 	at java.lang.Thread.run(Unknown Source)


NBT Tag Data:

+ [Compound] 5 entries
  |  [Byte] Count: 1
  |  [Byte] Slot: 8
  |  [Short] Damage: 89
  |  [Short] id: 14307
  + [Compound] tag: 2 entries
    |  [List] ench: 1 entry
	|  + [Compound] 2 entries
	|    |  [Short] id: 35
	|    |  [Short] lvl: 3
	+ [Compound] InfiTool: 28 entries
	  |  [Byte] Broken: 0
	  |  [Byte] Built: 1
	  |  [Int] Accessory: 6
	  |  [Int] Attack: 4
	  |  [Int] BaseDurability: 2750
	  |  [Int] BonusDurability: 0
	  |  [Int] Damage: 2421
	  |  [Int] Effect1: 2
	  |  [Int] Effect2: 10
	  |  [Int] Handle: 8
	  |  [Int] HarvestLevel: 4
	  |  [Int] Head: 15
	  |  [Int] MiningSpeed: 1200
	  |  [Int] Modifiers: 0
	  |  [Int] RenderAccessory: 6
	  |  [Int] RenderHandle: 8
	  |  [Int] RenderHead: 15
	  |  [Int] RepairCount: 2
	  |  [Int] TotalDurability: 2750
	  |  [Int] Unbreaking: 3
	  |  [Float] ModDurability: 0
	  |  [Float] Shoddy: 0
	  |  [String] ModifierTip1: §4Redstone (50/50)
	  |  [String] ModifierTip2: §9Lapis (373/450)
	  |  [String] Tooltip1: §4Haste
	  |  [String] Tooltip2: §9Luck
	  |  [IntArray] Lapis: 2 integers [75 01 00 00 02 00 00 00]
	  |  [IntArray] Redstone: 3 integers [32 00 00 00 32 00 00 00 01 00 00 00]