java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at ps.<init>(SourceFile:29)
	at uq.a(SourceFile:92)
	at zh.D(SourceFile:594)
	at zh.a(SourceFile:482)
	at azq.a(SourceFile:76)
	at baq.a(SourceFile:166)

---- Minecraft Crash Report ----
// Why is it breaking :(

Time: 21/09/13 10:16
Description: Rendering screen

java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at ps.<init>(SourceFile:29)
	at uq.a(SourceFile:92)
	at zh.D(SourceFile:594)
	at zh.a(SourceFile:482)
	at azq.a(SourceFile:76)
	at baq.a(SourceFile:166)
	at bii.b(SourceFile:844)
	at awp.aa(SourceFile:754)
	at awp.e(SourceFile:677)
	at net.minecraft.client.main.Main.main(SourceFile:104)


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 ps.<init>(SourceFile:29)
	at uq.a(SourceFile:92)
	at zh.D(SourceFile:594)
	at zh.a(SourceFile:482)
	at azq.a(SourceFile:76)
	at baq.a(SourceFile:166)

-- Screen render details --
Details:
	Screen name: bbb
	Mouse location: Scaled: (337, 140). Absolute: (675, 425)
	Screen size: Scaled: (683, 353). Absolute: (1366, 706). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bgh['CoolAl13'/2027913, l='MpServer', x=-230.55, y=122.62, z=159.48]]
	Chunk stats: MultiplayerChunkCache: 240, 240
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-228,68,161), Chunk: (at 12,4,1 in -15,10; contains blocks -240,0,160 to -225,255,175), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 61231 game time, 10000 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: 129 total; [us['Skeleton'/2047601, l='MpServer', x=-209.50, y=28.00, z=137.50], sp['Chicken'/2027780, l='MpServer', x=-232.56, y=68.00, z=175.56], pc['entity.ItemFrame.name'/2027782, l='MpServer', x=-222.50, y=69.50, z=92.06], ug['Creeper'/2047307, l='MpServer', x=-308.50, y=46.00, z=188.50], ux['Zombie'/2048126, l='MpServer', x=-174.50, y=40.00, z=131.50], sp['Chicken'/2027793, l='MpServer', x=-208.41, y=69.00, z=196.38], tt['item.item.egg'/2027794, l='MpServer', x=-209.03, y=69.13, z=194.13], ux['Zombie'/2048125, l='MpServer', x=-173.50, y=40.00, z=134.50], ug['Creeper'/2047597, l='MpServer', x=-207.50, y=37.00, z=107.50], uu['Spider'/2047593, l='MpServer', x=-277.50, y=44.00, z=205.50], tt['item.item.egg'/2027806, l='MpServer', x=-199.97, y=69.13, z=116.75], uu['Spider'/2047595, l='MpServer', x=-279.50, y=44.00, z=205.50], sp['Chicken'/2027812, l='MpServer', x=-192.53, y=64.00, z=155.47], uu['Spider'/2047820, l='MpServer', x=-225.50, y=11.00, z=140.50], ux['Zombie'/2046483, l='MpServer', x=-150.51, y=35.00, z=206.58], uu['Spider'/2048071, l='MpServer', x=-172.50, y=39.00, z=185.50], ug['Creeper'/2047099, l='MpServer', x=-154.50, y=50.00, z=126.50], us['Skeleton'/2048070, l='MpServer', x=-171.50, y=39.00, z=187.50], ug['Creeper'/2047580, l='MpServer', x=-225.50, y=12.00, z=142.50], ux['Zombie'/2047579, l='MpServer', x=-197.50, y=41.00, z=88.50], ux['Zombie'/2047578, l='MpServer', x=-197.50, y=41.00, z=87.50], ug['Creeper'/2047831, l='MpServer', x=-238.50, y=32.00, z=165.50], us['Skeleton'/2047562, l='MpServer', x=-232.81, y=41.00, z=208.66], ux['Zombie'/2047563, l='MpServer', x=-229.23, y=41.76, z=212.50], us['Skeleton'/2047085, l='MpServer', x=-300.42, y=44.00, z=186.48], us['Skeleton'/2047560, l='MpServer', x=-230.50, y=41.00, z=211.50], ux['Zombie'/2047086, l='MpServer', x=-301.00, y=43.83, z=187.06], us['Skeleton'/2047561, l='MpServer', x=-232.44, y=41.00, z=209.64], sn['Bat'/2046999, l='MpServer', x=-176.20, y=43.84, z=199.43], sp['Chicken'/2027845, l='MpServer', x=-176.56, y=67.00, z=167.53], tt['item.item.egg'/2027844, l='MpServer', x=-189.13, y=66.13, z=174.97], sp['Chicken'/2027846, l='MpServer', x=-185.56, y=66.00, z=168.91], ux['Zombie'/2047233, l='MpServer', x=-174.50, y=26.00, z=131.50], ug['Creeper'/2047543, l='MpServer', x=-211.50, y=29.00, z=201.50], uu['Spider'/2046286, l='MpServer', x=-247.68, y=38.40, z=204.75], us['Skeleton'/2047235, l='MpServer', x=-167.29, y=16.00, z=128.15], us['Skeleton'/2046287, l='MpServer', x=-246.47, y=37.00, z=205.45], sp['Chicken'/2027842, l='MpServer', x=-178.53, y=69.00, z=155.72], sn['Bat'/2047000, l='MpServer', x=-176.44, y=41.72, z=204.88], sn['Bat'/2046297, l='MpServer', x=-298.20, y=43.22, z=177.49], us['Skeleton'/2046289, l='MpServer', x=-249.50, y=37.00, z=208.50], us['Skeleton'/2046288, l='MpServer', x=-246.50, y=37.00, z=206.50], ug['Creeper'/2047807, l='MpServer', x=-188.50, y=39.00, z=114.50], sn['Bat'/2046292, l='MpServer', x=-296.89, y=41.31, z=177.60], sn['Bat'/2046295, l='MpServer', x=-293.49, y=43.05, z=174.56], sn['Bat'/2046294, l='MpServer', x=-295.42, y=42.99, z=172.47], uu['Spider'/2048015, l='MpServer', x=-235.50, y=24.00, z=173.50], ux['Zombie'/2047278, l='MpServer', x=-177.50, y=28.00, z=146.50], ug['Creeper'/2047277, l='MpServer', x=-174.50, y=42.00, z=207.50], us['Skeleton'/2048005, l='MpServer', x=-291.50, y=44.00, z=209.50], ux['Zombie'/2047275, l='MpServer', x=-210.50, y=20.00, z=104.50], ug['Creeper'/2047035, l='MpServer', x=-186.50, y=34.00, z=162.50], ux['Zombie'/2047495, l='MpServer', x=-226.72, y=26.00, z=201.22], us['Skeleton'/2047766, l='MpServer', x=-283.50, y=45.00, z=174.50], us['Skeleton'/2047021, l='MpServer', x=-184.50, y=22.00, z=206.06], ug['Creeper'/2048018, l='MpServer', x=-255.50, y=36.00, z=203.50], ux['Zombie'/2048019, l='MpServer', x=-254.50, y=36.00, z=206.50], ux['Zombie'/2048020, l='MpServer', x=-255.50, y=36.00, z=204.50], ux['Zombie'/2048021, l='MpServer', x=-255.50, y=36.00, z=205.50], sn['Bat'/2046341, l='MpServer', x=-296.46, y=41.11, z=175.45], bgh['CoolAl13'/2027913, l='MpServer', x=-230.55, y=122.62, z=159.48], sn['Bat'/2046342, l='MpServer', x=-289.40, y=42.00, z=173.49], us['Skeleton'/2047196, l='MpServer', x=-171.50, y=32.00, z=154.50], sn['Bat'/2046339, l='MpServer', x=-293.01, y=43.00, z=174.49], sn['Bat'/2046890, l='MpServer', x=-275.27, y=45.34, z=208.33], sn['Bat'/2046889, l='MpServer', x=-272.48, y=45.00, z=215.99], sn['Bat'/2046888, l='MpServer', x=-274.63, y=44.22, z=212.71], sn['Bat'/2046902, l='MpServer', x=-184.32, y=29.00, z=145.83], sn['Bat'/2046903, l='MpServer', x=-187.52, y=29.83, z=140.43], sn['Bat'/2046901, l='MpServer', x=-183.34, y=29.42, z=140.66], uu['Spider'/2047470, l='MpServer', x=-291.50, y=48.00, z=212.50], sp['Chicken'/2027697, l='MpServer', x=-304.66, y=68.00, z=91.53], ux['Zombie'/2047943, l='MpServer', x=-173.50, y=21.00, z=104.50], ux['Zombie'/2047942, l='MpServer', x=-175.50, y=21.00, z=103.50], us['Skeleton'/2047701, l='MpServer', x=-296.50, y=44.00, z=207.50], ux['Zombie'/2047211, l='MpServer', x=-292.50, y=45.00, z=92.50], ux['Zombie'/2046394, l='MpServer', x=-287.50, y=48.00, z=189.50], us['Skeleton'/2047680, l='MpServer', x=-162.50, y=28.00, z=179.50], ux['Zombie'/2047674, l='MpServer', x=-207.50, y=14.00, z=104.50], ux['Zombie'/2047675, l='MpServer', x=-205.50, y=14.00, z=105.50], ux['Zombie'/2047129, l='MpServer', x=-154.54, y=24.45, z=129.20], sn['Bat'/2046406, l='MpServer', x=-156.56, y=32.00, z=163.80], tt['item.item.egg'/2027736, l='MpServer', x=-280.78, y=67.13, z=103.94], sp['Chicken'/2027735, l='MpServer', x=-280.38, y=68.00, z=99.47], sp['Chicken'/2027734, l='MpServer', x=-283.09, y=68.00, z=105.94], sp['Chicken'/2027733, l='MpServer', x=-282.34, y=68.00, z=105.34], sp['Chicken'/2027732, l='MpServer', x=-274.53, y=67.00, z=83.41], ux['Zombie'/2046413, l='MpServer', x=-286.50, y=47.00, z=211.50], sp['Chicken'/2027731, l='MpServer', x=-278.47, y=67.00, z=88.47], ux['Zombie'/2047388, l='MpServer', x=-188.50, y=20.00, z=201.50], ux['Zombie'/2047389, l='MpServer', x=-185.78, y=21.00, z=204.65], ug['Creeper'/2047390, l='MpServer', x=-196.50, y=20.00, z=204.50], us['Skeleton'/2047934, l='MpServer', x=-157.50, y=36.00, z=204.50], us['Skeleton'/2047384, l='MpServer', x=-284.50, y=47.00, z=177.50], us['Skeleton'/2046422, l='MpServer', x=-153.50, y=51.00, z=127.50], sn['Bat'/2046429, l='MpServer', x=-252.35, y=38.08, z=207.41], sn['Bat'/2046430, l='MpServer', x=-247.21, y=37.49, z=208.35], us['Skeleton'/2048128, l='MpServer', x=-178.50, y=40.00, z=141.50], us['Skeleton'/2048129, l='MpServer', x=-180.50, y=40.00, z=139.50], us['Skeleton'/2047165, l='MpServer', x=-175.50, y=14.00, z=125.50], sy['Sheep'/2027772, l='MpServer', x=-236.72, y=68.00, z=84.44], ux['Zombie'/2047166, l='MpServer', x=-172.50, y=14.00, z=134.50], pc['entity.ItemFrame.name'/2027775, l='MpServer', x=-239.50, y=69.50, z=142.94], sp['Chicken'/2027769, l='MpServer', x=-251.72, y=64.00, z=196.31], ug['Creeper'/2047644, l='MpServer', x=-152.50, y=42.00, z=129.50], ug['Creeper'/2046443, l='MpServer', x=-281.13, y=40.00, z=103.79], pc['entity.ItemFrame.name'/2027765, l='MpServer', x=-246.94, y=68.50, z=153.50], pc['entity.ItemFrame.name'/2027764, l='MpServer', x=-246.94, y=68.50, z=152.50], pc['entity.ItemFrame.name'/2027767, l='MpServer', x=-246.94, y=70.50, z=152.50], pc['entity.ItemFrame.name'/2027766, l='MpServer', x=-246.94, y=68.50, z=154.50], pc['entity.ItemFrame.name'/2027761, l='MpServer', x=-246.94, y=69.50, z=153.50], pc['entity.ItemFrame.name'/2027760, l='MpServer', x=-246.94, y=70.50, z=153.50], pc['entity.ItemFrame.name'/2027763, l='MpServer', x=-245.50, y=69.50, z=150.06], pc['entity.ItemFrame.name'/2027762, l='MpServer', x=-246.94, y=69.50, z=152.50], sp['Chicken'/2027756, l='MpServer', x=-270.59, y=67.00, z=117.53], ug['Creeper'/2047423, l='MpServer', x=-297.92, y=35.00, z=121.34], pc['entity.ItemFrame.name'/2027757, l='MpServer', x=-244.94, y=69.50, z=122.50], pc['entity.ItemFrame.name'/2027758, l='MpServer', x=-246.94, y=69.50, z=154.50], ux['Zombie'/2047899, l='MpServer', x=-229.50, y=23.00, z=194.50], ux['Zombie'/2047421, l='MpServer', x=-300.54, y=35.74, z=116.98], pc['entity.ItemFrame.name'/2027759, l='MpServer', x=-246.94, y=70.50, z=154.50], us['Skeleton'/2047900, l='MpServer', x=-154.50, y=36.00, z=205.50], us['Skeleton'/2047901, l='MpServer', x=-155.50, y=36.00, z=205.50], us['Skeleton'/2047902, l='MpServer', x=-159.50, y=36.00, z=204.50], us['Skeleton'/2047903, l='MpServer', x=-184.50, y=35.00, z=149.50], ug['Creeper'/2047888, l='MpServer', x=-175.50, y=40.00, z=132.50], ug['Creeper'/2047889, l='MpServer', x=-173.50, y=40.00, z=133.50], ug['Creeper'/2047890, l='MpServer', x=-174.50, y=40.00, z=133.50], ug['Creeper'/2047891, l='MpServer', x=-177.50, y=40.00, z=132.50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bgc.a(SourceFile:297)
	at awp.b(SourceFile:1874)
	at awp.e(SourceFile:686)
	at net.minecraft.client.main.Main.main(SourceFile:104)

-- System Details --
Details:
	Minecraft Version: 13w38c
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 261601408 bytes (249 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 5011 (280616 bytes; 0 MB) allocated, 1474 (82544 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 13w38c
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 6310 Graphics GL version 4.0.10318 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: 680 (38080 bytes; 0 MB) allocated, 276 (15456 bytes; 0 MB) used