game crashes when my character killed

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

Time: 31.12.2013 11:51
Description: Rendering item

java.lang.NullPointerException: Rendering item
at abu.c(SourceFile:99)
at bor.a(SourceFile:285)
at bor.b(SourceFile:400)
at bao.a(SourceFile:744)
at bao.a(SourceFile:123)
at bmm.b(SourceFile:834)
at azi.ah(SourceFile:787)
at azi.f(SourceFile:711)
at net.minecraft.client.main.Main.main(SourceFile:152)

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

– Head –
Stacktrace:
at abu.c(SourceFile:99)
at bor.a(SourceFile:285)

– Item being rendered –
Details:
Item Type: null
Item Aux: 0
Item NBT: {display:{Name:"§eYou §c§ldied§e to fall damage!",},}
Item Foil: ~_ERROR~ NullPointerException: null
Stacktrace:
at bor.b(SourceFile:400)
at bao.a(SourceFile:744)
at bao.a(SourceFile:123)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bkf['actionalper'/1454360, l='MpServer', x=-589,10, y=77,62, z=937,80]]
Chunk stats: MultiplayerChunkCache: 215, 215
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-585,7,929), Chunk: (at 7,0,1 in -37,58; contains blocks -592,0,928 to -577,255,943), Region: (-2,1; contains chunks -64,32 to -33,63, blocks -1024,0,512 to -513,255,1023)
Level time: 2655132 game time, 2621396 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: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 2 total; [bkf['actionalper'/1454360, l='MpServer', x=-589,10, y=77,62, z=937,80], bme['§9Explosive19'/288, l='MpServer', x=0,00, y=56,00, z=0,00]]
Retry entities: 0 total; []
Server brand: craftbukkit
Server type: Non-integrated multiplayer server
Stacktrace:
at bka.a(SourceFile:289)
at azi.b(SourceFile:1952)
at azi.f(SourceFile:720)
at net.minecraft.client.main.Main.main(SourceFile:152)

– System Details –
Details:
Minecraft Version: 1.7.4
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.6.0_22, Sun Microsystems Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
Memory: 262031608 bytes (249 MB) / 367001600 bytes (350 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
AABB Pool Size: 99692 (5582752 bytes; 5 MB) allocated, 30009 (1680504 bytes; 1 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.4
LWJGL: 2.9.1
OpenGL: ATI Mobility Radeon HD 550v GL version 3.3.9902 Compatibility Profile Context, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 37 (2072 bytes; 0 MB) allocated, 37 (2072 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

What I expected to happen was...:
the game should continue

What actually happened was...:
the game crashed, and my kills weren't saved

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...