Hopper: java.lang.ClassCastException: dm cannot be cast to dk

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-315867/

Crash:

java.lang.ClassCastException: dm cannot be cast to dk
	at de.l(SourceFile:194)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 10/11/13 3:21 PM
Description: Reading NBT data

java.lang.ClassCastException: dm cannot be cast to dk
	at de.l(SourceFile:194)
	at bje.h(SourceFile:88)
	at bjn.a(SourceFile:64)
	at ayp.o(SourceFile:1558)
	at ayp.ab(SourceFile:755)
	at ayp.e(SourceFile:706)
	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 de.l(SourceFile:194)

-- Corrupt NBT tag --
Details:
	Tag type found: LIST
	Tag type expected: INT[]
	Tag name: FadeColors
Stacktrace:
	at de.l(SourceFile:194)
	at bje.h(SourceFile:88)

-- Particle being ticked --
Details:
	Particle: bje, Pos (780.5,58.0,-627.5), RGBA (1.0,1.0,1.0,1.0), Age 0
	Particle Type: MISC_TEXTURE
Stacktrace:
	at bjn.a(SourceFile:64)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bil['GeraldYagami'/26161, l='MpServer', x=786.60, y=57.62, z=-641.13]]
	Chunk stats: MultiplayerChunkCache: 332, 332
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (909,56,-603), Chunk: (at 13,3,5 in 56,-38; contains blocks 896,0,-608 to 911,255,-593), Region: (1,-2; contains chunks 32,-64 to 63,-33, blocks 512,0,-1024 to 1023,255,-513)
	Level time: 1882119 game time, 900 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 15 total; [re['Painting'/26153, l='MpServer', x=969.50, y=58.50, z=-551.06], re['Painting'/26152, l='MpServer', x=967.50, y=58.50, z=-551.06], re['Painting'/26159, l='MpServer', x=1031.00, y=59.50, z=-551.06], xi['entity.FireworksRocketEntity.name'/393922, l='MpServer', x=780.50, y=58.04, z=-627.50], re['Painting'/26151, l='MpServer', x=965.50, y=58.50, z=-551.06], vn['item.item.swordDiamond'/393921, l='MpServer', x=780.50, y=57.13, z=-627.50], re['Painting'/26150, l='MpServer', x=785.50, y=68.00, z=-566.06], re['Painting'/26151, l='MpServer', x=965.50, y=58.50, z=-551.06], re['Painting'/26153, l='MpServer', x=969.50, y=58.50, z=-551.06], re['Painting'/26151, l='MpServer', x=965.50, y=58.50, z=-551.06], re['Painting'/26153, l='MpServer', x=969.50, y=58.50, z=-551.06], re['Painting'/26150, l='MpServer', x=785.50, y=68.00, z=-566.06], bil['GeraldYagami'/26161, l='MpServer', x=786.60, y=57.62, z=-641.13], re['Painting'/26152, l='MpServer', x=967.50, y=58.50, z=-551.06], re['Painting'/26152, l='MpServer', x=967.50, y=58.50, z=-551.06]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at big.a(SourceFile:302)
	at ayp.b(SourceFile:1935)
	at ayp.e(SourceFile:715)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w41b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 230391640 bytes (219 MB) / 525860864 bytes (501 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 82 (4592 bytes; 0 MB) allocated, 65 (3640 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 13w41b
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 7660D GL version 4.2.11481 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [Gerald's Pack]
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 84 (4704 bytes; 0 MB) allocated, 31 (1736 bytes; 0 MB) used
	Anisotropic Filtering: On (16)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-315867/16902578/