java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at ru.<init>(SourceFile:29)
	at wu.a(SourceFile:94)
	at abo.D(SourceFile:594)
	at abo.a(SourceFile:482)
	at bcc.a(SourceFile:76)
	at bdc.a(SourceFile:166)

---- Minecraft Crash Report ----
// You're mean.

Time: 24/10/13 7:12 PM
Description: Rendering screen

java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at ru.<init>(SourceFile:29)
	at wu.a(SourceFile:94)
	at abo.D(SourceFile:594)
	at abo.a(SourceFile:482)
	at bcc.a(SourceFile:76)
	at bdc.a(SourceFile:166)
	at blj.b(SourceFile:851)
	at azc.ad(SourceFile:780)
	at azc.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 org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at ru.<init>(SourceFile:29)
	at wu.a(SourceFile:94)
	at abo.D(SourceFile:594)
	at abo.a(SourceFile:482)
	at bcc.a(SourceFile:76)
	at bdc.a(SourceFile:166)

-- Screen render details --
Details:
	Screen name: bdn
	Mouse location: Scaled: (399, 180). Absolute: (799, 489)
	Screen size: Scaled: (800, 425). Absolute: (1600, 850). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bjd['dequoi'/78, l='MpServer', x=-153.36, y=57.62, z=-332.99]]
	Chunk stats: MultiplayerChunkCache: 225, 225
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-117,4,-370), Chunk: (at 11,0,14 in -8,-24; contains blocks -128,0,-384 to -113,255,-369), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Level time: 1270618 game time, 4451 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: 60 total; [ve['Iron Golem'/5, l='MpServer', x=-224.28, y=56.00, z=-327.91], xg['Villager'/7, l='MpServer', x=-215.25, y=56.00, z=-384.72], ve['Iron Golem'/8, l='MpServer', x=-215.59, y=56.00, z=-366.25], xg['Villager'/12, l='MpServer', x=-206.56, y=56.00, z=-393.16], ve['Iron Golem'/13, l='MpServer', x=-208.00, y=56.00, z=-393.91], xg['Villager'/14, l='MpServer', x=-197.31, y=56.00, z=-383.66], xg['Villager'/15, l='MpServer', x=-208.18, y=56.00, z=-378.29], ve['Iron Golem'/16, l='MpServer', x=-201.19, y=56.00, z=-379.94], ve['Iron Golem'/23, l='MpServer', x=-174.30, y=52.00, z=-368.30], xg['Villager'/25, l='MpServer', x=-167.47, y=51.00, z=-371.78], ve['Iron Golem'/24, l='MpServer', x=-174.30, y=52.00, z=-368.30], ve['Iron Golem'/27, l='MpServer', x=-174.30, y=52.00, z=-366.70], xg['Villager'/26, l='MpServer', x=-173.30, y=52.00, z=-368.70], ve['Iron Golem'/29, l='MpServer', x=-173.70, y=52.00, z=-366.73], ve['Iron Golem'/28, l='MpServer', x=-174.30, y=52.00, z=-366.70], vg['Super mega ultra dog of Doom'/31, l='MpServer', x=-162.06, y=56.00, z=-361.78], xg['Villager'/30, l='MpServer', x=-173.31, y=52.00, z=-366.31], xg['Villager'/38, l='MpServer', x=-144.69, y=49.44, z=-393.69], ve['Iron Golem'/39, l='MpServer', x=-146.06, y=50.44, z=-391.00], xg['Villager'/36, l='MpServer', x=-144.59, y=49.44, z=-391.34], xg['Villager'/37, l='MpServer', x=-144.31, y=49.44, z=-393.31], xg['Villager'/42, l='MpServer', x=-153.41, y=53.00, z=-386.69], xg['Villager'/43, l='MpServer', x=-152.47, y=53.00, z=-386.31], xg['Villager'/40, l='MpServer', x=-145.31, y=49.44, z=-392.69], xg['Villager'/41, l='MpServer', x=-146.31, y=53.00, z=-386.69], xg['Villager'/46, l='MpServer', x=-154.31, y=53.00, z=-385.88], xg['Villager'/47, l='MpServer', x=-146.10, y=53.00, z=-382.70], xg['Villager'/44, l='MpServer', x=-154.69, y=53.00, z=-386.69], xg['Villager'/45, l='MpServer', x=-154.69, y=53.00, z=-384.78], xg['Villager'/51, l='MpServer', x=-150.50, y=53.00, z=-380.31], xg['Villager'/50, l='MpServer', x=-154.06, y=53.00, z=-380.50], xg['Villager'/49, l='MpServer', x=-146.35, y=53.00, z=-381.77], xg['Villager'/48, l='MpServer', x=-145.30, y=53.00, z=-382.89], xg['Villager'/55, l='MpServer', x=-147.69, y=54.00, z=-356.69], xg['Villager'/54, l='MpServer', x=-144.47, y=53.00, z=-382.31], xg['Villager'/53, l='MpServer', x=-152.31, y=53.00, z=-380.31], xg['Villager'/52, l='MpServer', x=-145.69, y=52.00, z=-383.69], ve['Iron Golem'/59, l='MpServer', x=-138.00, y=50.44, z=-397.06], xg['Villager'/58, l='MpServer', x=-140.32, y=53.26, z=-400.82], vv['item.tile.sand.default'/57, l='MpServer', x=-153.34, y=57.13, z=-349.88], xg['Villager'/56, l='MpServer', x=-147.31, y=54.00, z=-356.31], vg['Super mega ultra dog of Doom'/63, l='MpServer', x=-135.31, y=55.00, z=-367.31], xg['Villager'/62, l='MpServer', x=-142.56, y=51.44, z=-393.72], xg['Villager'/61, l='MpServer', x=-136.78, y=51.44, z=-393.56], xg['Villager'/60, l='MpServer', x=-142.56, y=51.44, z=-399.28], xg['Villager'/68, l='MpServer', x=-122.69, y=50.00, z=-373.69], ve['Iron Golem'/69, l='MpServer', x=-117.41, y=46.00, z=-365.30], xg['Villager'/70, l='MpServer', x=-115.84, y=47.00, z=-367.50], xg['Villager'/71, l='MpServer', x=-125.69, y=48.00, z=-366.34], xg['Villager'/64, l='MpServer', x=-117.56, y=54.00, z=-412.69], xg['Villager'/65, l='MpServer', x=-118.69, y=54.00, z=-412.00], xg['Villager'/66, l='MpServer', x=-122.31, y=50.00, z=-372.75], xg['Villager'/67, l='MpServer', x=-118.50, y=48.00, z=-371.69], vg['Super mega ultra dog of Doom'/76, l='MpServer', x=-93.22, y=56.00, z=-373.28], vg['Super mega ultra dog of Doom'/77, l='MpServer', x=-77.66, y=56.00, z=-375.94], vg['Super mega ultra dog of Doom'/72, l='MpServer', x=-107.44, y=56.00, z=-370.66], xg['Villager'/73, l='MpServer', x=-102.16, y=56.00, z=-299.66], rm['Painting'/75, l='MpServer', x=-82.50, y=52.50, z=-382.06], bjd['dequoi'/78, l='MpServer', x=-153.36, y=57.62, z=-332.99], rm['Painting'/75, l='MpServer', x=-82.50, y=52.50, z=-382.06]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at biy.a(SourceFile:284)
	at azc.b(SourceFile:1949)
	at azc.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.1
	Operating System: Windows Vista (x86) version 6.0
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 169511392 bytes (161 MB) / 357249024 bytes (340 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 9253 (518168 bytes; 0 MB) allocated, 5 (280 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.1
	LWJGL: 2.9.0
	OpenGL: ATI Radeon HD 3450      GL version 3.2.9704 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: []
	Current Language: English (UK)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 913 (51128 bytes; 0 MB) allocated, 38 (2128 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)