java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at pp.<init>(SourceFile:29)
	at up.a(SourceFile:94)
	at zi.D(SourceFile:594)
	at zi.a(SourceFile:482)
	at azr.a(SourceFile:76)
	at bar.a(SourceFile:166)

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 9/28/13 12:02 AM
Description: Rendering screen

java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at pp.<init>(SourceFile:29)
	at up.a(SourceFile:94)
	at zi.D(SourceFile:594)
	at zi.a(SourceFile:482)
	at azr.a(SourceFile:76)
	at bar.a(SourceFile:166)
	at bik.b(SourceFile:847)
	at awq.aa(SourceFile:781)
	at awq.e(SourceFile:704)
	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 pp.<init>(SourceFile:29)
	at up.a(SourceFile:94)
	at zi.D(SourceFile:594)
	at zi.a(SourceFile:482)
	at azr.a(SourceFile:76)
	at bar.a(SourceFile:166)

-- Screen render details --
Details:
	Screen name: bbc
	Mouse location: Scaled: (328, 158). Absolute: (657, 521)
	Screen size: Scaled: (800, 419). Absolute: (1600, 838). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bgi['what117'/14555, l='MpServer', x=-1244.84, y=57.62, z=-821.59]]
	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: (-1251,4,-810), Chunk: (at 13,0,6 in -79,-51; contains blocks -1264,0,-816 to -1249,255,-801), Region: (-3,-2; contains chunks -96,-64 to -65,-33, blocks -1536,0,-1024 to -1025,255,-513)
	Level time: 2353152 game time, 556437 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: 130 total; [bgi['what117'/14555, l='MpServer', x=-1244.84, y=57.62, z=-821.59], sk['Bat'/14521, l='MpServer', x=-1223.46, y=64.96, z=-824.55], sk['Bat'/14520, l='MpServer', x=-1219.86, y=59.20, z=-828.11], sk['Bat'/14523, l='MpServer', x=-1226.75, y=55.10, z=-806.34], sk['Bat'/14522, l='MpServer', x=-1218.74, y=62.06, z=-830.96], ty['entity.MinecartRideable.name'/14525, l='MpServer', x=-1187.50, y=64.50, z=-857.50], ty['entity.MinecartRideable.name'/14524, l='MpServer', x=-1191.31, y=64.50, z=-857.50], su['Pig'/14526, l='MpServer', x=-1175.41, y=56.00, z=-891.19], sk['Bat'/14513, l='MpServer', x=-1223.66, y=60.10, z=-824.25], sk['Bat'/14512, l='MpServer', x=-1224.72, y=60.10, z=-824.25], sk['Bat'/14515, l='MpServer', x=-1218.25, y=68.10, z=-826.72], sk['Bat'/14514, l='MpServer', x=-1218.25, y=68.10, z=-825.47], sk['Bat'/14517, l='MpServer', x=-1218.25, y=68.10, z=-824.63], sk['Bat'/14516, l='MpServer', x=-1218.25, y=68.10, z=-827.41], sk['Bat'/14519, l='MpServer', x=-1220.50, y=68.10, z=-827.50], sk['Bat'/14518, l='MpServer', x=-1221.44, y=68.10, z=-830.50], vh['arrow'/14504, l='MpServer', x=-1224.84, y=60.18, z=-856.53], vh['arrow'/14505, l='MpServer', x=-1224.38, y=60.18, z=-854.91], vh['arrow'/14506, l='MpServer', x=-1224.56, y=60.17, z=-854.94], ty['entity.MinecartRideable.name'/14507, l='MpServer', x=-1230.50, y=64.50, z=-857.50], sk['Bat'/14508, l='MpServer', x=-1218.25, y=60.10, z=-832.25], sk['Bat'/14509, l='MpServer', x=-1218.31, y=60.10, z=-832.31], sk['Bat'/14510, l='MpServer', x=-1218.25, y=68.10, z=-832.53], sk['Grumm'/14511, l='MpServer', x=-1218.25, y=59.10, z=-831.63], vh['arrow'/14496, l='MpServer', x=-1224.97, y=60.18, z=-856.25], vh['arrow'/14497, l='MpServer', x=-1224.25, y=60.18, z=-854.09], vh['arrow'/14498, l='MpServer', x=-1224.13, y=60.18, z=-856.34], vh['arrow'/14499, l='MpServer', x=-1224.59, y=60.18, z=-854.91], vh['arrow'/14500, l='MpServer', x=-1224.97, y=60.18, z=-854.69], vh['arrow'/14501, l='MpServer', x=-1223.56, y=60.18, z=-855.91], vh['arrow'/14502, l='MpServer', x=-1223.84, y=60.18, z=-855.25], vh['arrow'/14503, l='MpServer', x=-1223.28, y=60.18, z=-855.25], vh['arrow'/14491, l='MpServer', x=-1224.13, y=60.18, z=-854.97], vh['arrow'/14490, l='MpServer', x=-1224.13, y=60.18, z=-855.00], vh['arrow'/14489, l='MpServer', x=-1224.56, y=60.18, z=-854.84], vh['arrow'/14488, l='MpServer', x=-1224.44, y=60.18, z=-854.72], vh['arrow'/14495, l='MpServer', x=-1222.47, y=60.18, z=-856.13], vh['arrow'/14494, l='MpServer', x=-1223.78, y=60.18, z=-855.84], vh['arrow'/14493, l='MpServer', x=-1223.09, y=60.18, z=-855.19], vh['arrow'/14492, l='MpServer', x=-1223.75, y=60.18, z=-855.66], vh['arrow'/14483, l='MpServer', x=-1223.28, y=60.18, z=-855.72], vh['arrow'/14482, l='MpServer', x=-1225.00, y=60.18, z=-856.91], vh['arrow'/14481, l='MpServer', x=-1224.81, y=60.18, z=-854.75], vh['arrow'/14480, l='MpServer', x=-1224.50, y=60.18, z=-856.66], vh['arrow'/14487, l='MpServer', x=-1223.56, y=60.18, z=-855.13], vh['arrow'/14486, l='MpServer', x=-1223.53, y=60.18, z=-855.34], vh['arrow'/14485, l='MpServer', x=-1225.00, y=60.18, z=-856.34], vh['arrow'/14484, l='MpServer', x=-1224.72, y=60.18, z=-856.97], vh['arrow'/14474, l='MpServer', x=-1223.41, y=60.18, z=-855.53], vh['arrow'/14475, l='MpServer', x=-1224.19, y=60.17, z=-854.38], vh['arrow'/14472, l='MpServer', x=-1223.28, y=60.18, z=-855.06], vh['arrow'/14473, l='MpServer', x=-1224.97, y=60.18, z=-856.88], vh['arrow'/14478, l='MpServer', x=-1224.50, y=60.18, z=-856.34], vh['arrow'/14479, l='MpServer', x=-1224.84, y=60.18, z=-854.94], vh['arrow'/14476, l='MpServer', x=-1224.09, y=60.18, z=-856.56], vh['arrow'/14477, l='MpServer', x=-1223.66, y=60.17, z=-855.84], vh['arrow'/14466, l='MpServer', x=-1223.34, y=60.18, z=-856.00], vh['arrow'/14467, l='MpServer', x=-1224.78, y=60.18, z=-856.06], vh['arrow'/14464, l='MpServer', x=-1224.31, y=60.18, z=-854.28], vh['arrow'/14465, l='MpServer', x=-1223.41, y=60.18, z=-855.03], vh['arrow'/14470, l='MpServer', x=-1222.34, y=60.18, z=-856.78], vh['arrow'/14471, l='MpServer', x=-1223.38, y=60.18, z=-855.06], vh['arrow'/14468, l='MpServer', x=-1222.72, y=60.18, z=-856.34], vh['arrow'/14469, l='MpServer', x=-1223.97, y=60.18, z=-855.34], sn['Cow'/14452, l='MpServer', x=-1246.47, y=57.00, z=-862.53], sn['Cow'/14453, l='MpServer', x=-1246.47, y=57.00, z=-862.53], sn['Cow'/14454, l='MpServer', x=-1246.47, y=57.00, z=-862.53], sn['Cow'/14455, l='MpServer', x=-1246.47, y=57.00, z=-862.53], sn['Cow'/14448, l='MpServer', x=-1246.53, y=57.00, z=-862.47], sn['Cow'/14449, l='MpServer', x=-1246.53, y=57.00, z=-862.47], sn['Cow'/14450, l='MpServer', x=-1246.47, y=57.00, z=-862.47], sn['Cow'/14451, l='MpServer', x=-1246.47, y=57.00, z=-862.47], to['Boat'/14460, l='MpServer', x=-1241.84, y=56.28, z=-750.50], vh['arrow'/14461, l='MpServer', x=-1224.41, y=60.18, z=-854.78], vh['arrow'/14462, l='MpServer', x=-1223.97, y=60.18, z=-855.75], vh['arrow'/14463, l='MpServer', x=-1224.09, y=60.18, z=-855.00], sn['Cow'/14456, l='MpServer', x=-1246.53, y=57.00, z=-862.53], ty['entity.MinecartRideable.name'/14457, l='MpServer', x=-1234.50, y=64.50, z=-857.50], ts['entity.MinecartChest.name'/14458, l='MpServer', x=-1247.50, y=70.50, z=-781.53], to['Boat'/14459, l='MpServer', x=-1243.56, y=56.28, z=-749.50], sn['Cow'/14437, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14436, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14439, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14438, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14433, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14432, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14435, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14434, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14445, l='MpServer', x=-1246.53, y=57.00, z=-862.47], sn['Cow'/14444, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14447, l='MpServer', x=-1246.53, y=57.00, z=-862.47], sn['Cow'/14446, l='MpServer', x=-1246.53, y=57.00, z=-862.47], sn['Cow'/14441, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14440, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14443, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14442, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14430, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14431, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14428, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14429, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14426, l='MpServer', x=-1246.47, y=59.00, z=-861.53], sn['Cow'/14427, l='MpServer', x=-1246.53, y=59.00, z=-861.53], sn['Cow'/14425, l='MpServer', x=-1246.47, y=59.00, z=-861.53], ts['entity.MinecartChest.name'/14384, l='MpServer', x=-1261.50, y=60.50, z=-824.53], ts['entity.MinecartChest.name'/14385, l='MpServer', x=-1248.53, y=65.50, z=-793.50], ts['entity.MinecartChest.name'/14386, l='MpServer', x=-1248.53, y=65.50, z=-790.50], ts['entity.MinecartChest.name'/14387, l='MpServer', x=-1248.53, y=65.50, z=-789.50], ts['entity.MinecartChest.name'/14388, l='MpServer', x=-1248.53, y=65.50, z=-788.50], ts['entity.MinecartChest.name'/14389, l='MpServer', x=-1248.53, y=65.50, z=-794.50], ts['entity.MinecartChest.name'/14390, l='MpServer', x=-1248.53, y=65.50, z=-792.50], ts['entity.MinecartChest.name'/14391, l='MpServer', x=-1248.53, y=65.50, z=-791.50], ts['entity.MinecartChest.name'/14383, l='MpServer', x=-1263.50, y=61.50, z=-824.53], oz['entity.ItemFrame.name'/14354, l='MpServer', x=-1266.94, y=56.50, z=-779.50], oz['entity.ItemFrame.name'/14355, l='MpServer', x=-1266.94, y=56.50, z=-778.50], tx['entity.MinecartHopper.name'/14352, l='MpServer', x=-1274.50, y=55.50, z=-861.50], sk['Bat'/14353, l='MpServer', x=-1267.56, y=54.10, z=-854.53], oz['entity.ItemFrame.name'/14358, l='MpServer', x=-1266.94, y=56.50, z=-776.50], oz['entity.ItemFrame.name'/14359, l='MpServer', x=-1266.94, y=56.50, z=-775.50], oz['entity.ItemFrame.name'/14356, l='MpServer', x=-1266.94, y=56.50, z=-777.50], oz['entity.ItemFrame.name'/14357, l='MpServer', x=-1266.94, y=56.50, z=-777.50], oz['entity.ItemFrame.name'/14362, l='MpServer', x=-1266.94, y=56.50, z=-772.50], oz['entity.ItemFrame.name'/14363, l='MpServer', x=-1266.94, y=56.50, z=-771.50], oz['entity.ItemFrame.name'/14360, l='MpServer', x=-1266.94, y=56.50, z=-774.50], oz['entity.ItemFrame.name'/14361, l='MpServer', x=-1266.94, y=56.50, z=-773.50], oz['entity.ItemFrame.name'/14366, l='MpServer', x=-1266.94, y=56.50, z=-781.50], oz['entity.ItemFrame.name'/14364, l='MpServer', x=-1266.94, y=56.50, z=-770.50], oz['entity.ItemFrame.name'/14365, l='MpServer', x=-1266.94, y=56.50, z=-780.50], tx['entity.MinecartHopper.name'/14351, l='MpServer', x=-1269.50, y=54.50, z=-873.50], sk['Bat'/14350, l='MpServer', x=-1295.25, y=58.37, z=-803.25], tx['entity.MinecartHopper.name'/14349, l='MpServer', x=-1288.50, y=55.34, z=-860.50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bgd.a(SourceFile:301)
	at awq.b(SourceFile:1901)
	at awq.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:104)

-- System Details --
Details:
	Minecraft Version: 13w39b
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.6.0_25, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Sun Microsystems Inc.
	Memory: 219779352 bytes (209 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: 7766 (434896 bytes; 0 MB) allocated, 1371 (76776 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 13w39b
	LWJGL: 2.9.0
	OpenGL: Intel(R) HD Graphics GL version 2.1.0 - Build 8.15.10.2189, Intel
	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: 1764 (98784 bytes; 0 MB) allocated, 234 (13104 bytes; 0 MB) used