Hopper: java.lang.ClassCastException: dp cannot be cast to dg

java.lang.ClassCastException: dp cannot be cast to dg
	at dg.m(SourceFile:211)

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 26/10/13 22:09
Description: Reading NBT data

java.lang.ClassCastException: dt cannot be cast to dg
	at dg.m(SourceFile:211)
	at zn.b(SourceFile:168)
	at zn.a(SourceFile:135)
	at bnq.a(SourceFile:339)
	at bnq.b(SourceFile:379)
	at bah.a(SourceFile:737)
	at bah.a(SourceFile:120)
	at bll.b(SourceFile:833)
	at azd.ad(SourceFile:780)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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

-- Head --
Stacktrace:
	at dg.m(SourceFile:211)

-- Corrupt NBT tag --
Details:
	Tag type found: STRING
	Tag type expected: COMPOUND
	Tag name: display
Stacktrace:
	at dg.m(SourceFile:211)
	at zn.b(SourceFile:168)
	at zn.a(SourceFile:135)
	at bnq.a(SourceFile:339)

-- Item being rendered --
Details:
	Item Type: zn@2658dd2d
	Item Aux: 0
	Item NBT: {display:"color:9999999",}
	Item Foil: false
Stacktrace:
	at bnq.b(SourceFile:379)
	at bah.a(SourceFile:737)
	at bah.a(SourceFile:120)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bje['Olympe37'/99, l='MpServer', x=-238,09, y=21,62, z=-10,56]]
	Chunk stats: MultiplayerChunkCache: 5, 5
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-168,64,48), Chunk: (at 8,4,0 in -11,3; contains blocks -176,0,48 to -161,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 38317682 game time, 5000 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 5 total; [ut['La vache invincible'/39, l='MpServer', x=-229,47, y=-5678118,20, z=-11,53], ut['La vache invincible'/40, l='MpServer', x=-229,53, y=-5696456,29, z=-11,53], us['Olympe37'/44, l='MpServer', x=-216,56, y=72,00, z=9,38], bje['Olympe37'/99, l='MpServer', x=-238,09, y=21,62, z=-10,56], vw['item.item.egg'/45, l='MpServer', x=-216,50, y=72,13, z=8,38]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at biz.a(SourceFile:284)
	at azd.b(SourceFile:1951)
	at azd.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Mac OS X (x86_64) version 10.8.5
	Java Version: 1.6.0_51, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 291718448 bytes (278 MB) / 550305792 bytes (524 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 14158 (792848 bytes; 0 MB) allocated, 14158 (792848 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 1.7.2
	LWJGL: 2.9.1
	OpenGL: ATI Radeon HD 4670 OpenGL Engine GL version 2.1 ATI-8.16.74, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [faithful32pack.zip]
	Current Language: English (UK)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 38 (2128 bytes; 0 MB) allocated, 38 (2128 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)