java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at pr.<init>(SourceFile:31)
	at up.a(SourceFile:92)
	at zg.D(SourceFile:595)
	at zg.a(SourceFile:482)
	at azi.a(SourceFile:73)
	at baw.a(SourceFile:581)
	at bai.a(SourceFile:167)
	at baz.a(SourceFile:30)
	at baw.a(SourceFile:530)

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 9/13/13 9:20 PM
Description: Rendering screen

java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at pr.<init>(SourceFile:31)
	at up.a(SourceFile:92)
	at zg.D(SourceFile:595)
	at zg.a(SourceFile:482)
	at azi.a(SourceFile:73)
	at baw.a(SourceFile:581)
	at bai.a(SourceFile:167)
	at baz.a(SourceFile:30)
	at baw.a(SourceFile:530)
	at bia.b(SourceFile:720)
	at awo.V(SourceFile:717)
	at awo.e(SourceFile:646)
	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 pr.<init>(SourceFile:31)
	at up.a(SourceFile:92)
	at zg.D(SourceFile:595)
	at zg.a(SourceFile:482)
	at azi.a(SourceFile:73)
	at baw.a(SourceFile:581)
	at bai.a(SourceFile:167)
	at baz.a(SourceFile:30)
	at baw.a(SourceFile:530)

-- Screen render details --
Details:
	Screen name: baw
	Mouse location: Scaled: (158, 140). Absolute: (316, 198)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfz['WolfieMario'/856158, l='MpServer', x=29999975.65, y=73.62, z=37.18]]
	Chunk stats: MultiplayerChunkCache: 270, 270
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-212,64,256), Chunk: (at 12,4,0 in -14,16; contains blocks -224,0,256 to -209,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 97465 game time, 15325 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: 157 total; [tu['entity.MinecartChest.name'/856307, l='MpServer', x=29999936.50, y=13.50, z=2.50], so['Chicken'/856306, l='MpServer', x=29999934.72, y=87.00, z=-12.44], ur['Skeleton'/1323541, l='MpServer', x=29999902.00, y=78.00, z=-13.50], sp['Cow'/856311, l='MpServer', x=29999944.25, y=80.00, z=30.78], ul['Magma Cube'/856310, l='MpServer', x=29999940.22, y=82.00, z=21.33], sp['Cow'/856309, l='MpServer', x=29999939.88, y=82.00, z=24.97], sx['Sheep'/856315, l='MpServer', x=29999938.00, y=80.00, z=38.50], sx['Sheep'/856314, l='MpServer', x=29999936.00, y=80.00, z=36.50], sp['Cow'/856313, l='MpServer', x=29999948.09, y=73.00, z=61.97], sx['Sheep'/856312, l='MpServer', x=29999939.84, y=78.00, z=44.06], sx['Sheep'/856317, l='MpServer', x=29999944.38, y=80.00, z=32.69], sw['Pig'/856316, l='MpServer', x=29999942.31, y=81.00, z=32.50], ut['Spider'/1352232, l='MpServer', x=29999940.00, y=82.00, z=23.50], sp['Cow'/856295, l='MpServer', x=29999940.00, y=92.00, z=-23.06], sm['Bat'/1324888, l='MpServer', x=29999951.88, y=18.10, z=-12.44], sp['Cow'/856298, l='MpServer', x=29999937.97, y=90.00, z=-20.59], so['Chicken'/856299, l='MpServer', x=29999941.69, y=94.00, z=-18.53], sp['Cow'/856296, l='MpServer', x=29999935.38, y=88.00, z=-13.84], sp['Cow'/856297, l='MpServer', x=29999934.97, y=88.00, z=-15.22], sm['Bat'/1308580, l='MpServer', x=29999996.75, y=36.10, z=16.44], uw['Zombie'/1323535, l='MpServer', x=29999900.00, y=78.00, z=-9.50], sm['Bat'/1342540, l='MpServer', x=29999957.62, y=39.00, z=65.38], sp['Cow'/856273, l='MpServer', x=29999930.41, y=88.00, z=-5.47], tu['entity.MinecartChest.name'/856272, l='MpServer', x=29999926.50, y=16.50, z=-28.50], sp['Cow'/856275, l='MpServer', x=29999932.25, y=90.00, z=-3.69], ts['item.item.egg'/1291298, l='MpServer', x=29999962.28, y=123.13, z=-23.78], us['Slime'/1089902, l='MpServer', x=29999972.47, y=34.00, z=26.69], sp['Cow'/856274, l='MpServer', x=29999931.53, y=87.00, z=-6.78], sx['Sheep'/856277, l='MpServer', x=29999932.00, y=81.00, z=33.50], uw['Zombie'/1335725, l='MpServer', x=29999904.00, y=77.00, z=-21.50], sp['Cow'/856276, l='MpServer', x=29999932.00, y=88.00, z=1.50], ur['Skeleton'/1331416, l='MpServer', x=29999932.00, y=24.00, z=71.50], sp['Cow'/856279, l='MpServer', x=29999925.78, y=76.00, z=78.41], ts['item.item.egg'/1312040, l='MpServer', x=29999958.16, y=120.13, z=-26.81], sm['Bat'/1308574, l='MpServer', x=29999948.25, y=14.98, z=-9.38], uw['Zombie'/1331415, l='MpServer', x=29999932.00, y=24.00, z=72.50], sp['Cow'/856282, l='MpServer', x=29999920.03, y=77.00, z=73.13], sx['Sheep'/856285, l='MpServer', x=29999924.53, y=72.00, z=100.47], sx['Sheep'/856284, l='MpServer', x=29999926.97, y=72.00, z=105.03], sx['Sheep'/856286, l='MpServer', x=29999923.06, y=69.00, z=111.84], ut['Spider'/1348884, l='MpServer', x=29999906.34, y=78.00, z=47.59], ur['Skeleton'/1335467, l='MpServer', x=29999988.00, y=88.00, z=8.50], sp['Cow'/856257, l='MpServer', x=29999918.28, y=76.00, z=78.66], ut['Spider'/1348887, l='MpServer', x=29999908.63, y=78.00, z=48.91], sp['Cow'/856258, l='MpServer', x=29999915.88, y=76.00, z=74.81], sm['Bat'/1350813, l='MpServer', x=29999972.66, y=34.65, z=-3.34], ur['Skeleton'/1348886, l='MpServer', x=29999907.97, y=78.00, z=50.25], sw['Pig'/856261, l='MpServer', x=29999912.00, y=76.00, z=84.50], sw['Pig'/856262, l='MpServer', x=29999916.00, y=76.00, z=87.50], sw['Pig'/856263, l='MpServer', x=29999912.00, y=76.00, z=84.50], ta['Squid'/1260226, l='MpServer', x=29999994.56, y=55.14, z=40.67], sw['Pig'/856264, l='MpServer', x=29999911.56, y=76.00, z=81.84], ut['Spider'/1340341, l='MpServer', x=29999900.00, y=69.00, z=110.50], sx['Sheep'/856265, l='MpServer', x=29999916.22, y=68.00, z=103.53], ta['Squid'/1260224, l='MpServer', x=29999993.50, y=55.39, z=42.02], ta['Squid'/1260225, l='MpServer', x=29999999.53, y=54.83, z=30.87], ur['Skeleton'/1335733, l='MpServer', x=29999908.00, y=78.00, z=-16.50], uw['Zombie'/1335735, l='MpServer', x=29999994.00, y=69.00, z=-18.50], ur['Skeleton'/1304878, l='MpServer', x=29999964.00, y=41.00, z=43.50], ur['Skeleton'/1304876, l='MpServer', x=29999958.00, y=41.00, z=41.50], ta['Squid'/1260223, l='MpServer', x=29999999.53, y=55.50, z=34.60], ut['Spider'/1332464, l='MpServer', x=29999966.00, y=35.00, z=61.50], uf['Creeper'/1300401, l='MpServer', x=29999900.00, y=46.00, z=-18.50], tr['Falling Block'/1352734, l='MpServer', x=29999856.00, y=28.49, z=15.50], tr['Falling Block'/1352735, l='MpServer', x=29999856.00, y=28.49, z=16.50], so['Chicken'/856232, l='MpServer', x=29999899.47, y=79.00, z=16.47], uw['Zombie'/1309210, l='MpServer', x=29999970.00, y=14.00, z=51.50], tr['Falling Block'/1352754, l='MpServer', x=29999988.00, y=37.49, z=3.50], tr['Falling Block'/1352752, l='MpServer', x=29999984.00, y=35.49, z=-55.50], tr['Falling Block'/1352753, l='MpServer', x=29999984.00, y=35.49, z=-56.50], ur['Skeleton'/1306465, l='MpServer', x=29999990.00, y=19.00, z=-40.50], ul['Magma Cube'/977888, l='MpServer', x=30000001.69, y=84.00, z=16.69], ul['Magma Cube'/977889, l='MpServer', x=30000000.69, y=84.00, z=17.31], uw['Zombie'/1329464, l='MpServer', x=29999935.50, y=31.00, z=113.59], ul['Magma Cube'/977890, l='MpServer', x=30000001.59, y=84.00, z=17.69], uf['Creeper'/1322430, l='MpServer', x=29999928.00, y=14.00, z=100.50], uw['Zombie'/1344261, l='MpServer', x=29999988.00, y=35.00, z=67.50], sm['Bat'/1343280, l='MpServer', x=29999966.69, y=36.40, z=65.25], ut['Spider'/1306475, l='MpServer', x=29999994.00, y=33.00, z=54.50], uw['Zombie'/1276447, l='MpServer', x=29999946.00, y=32.00, z=116.50], tr['Falling Block'/1352743, l='MpServer', x=29999948.00, y=54.49, z=74.50], sm['Bat'/1343276, l='MpServer', x=29999973.13, y=36.10, z=65.44], tr['Falling Block'/1352742, l='MpServer', x=29999928.00, y=17.49, z=-67.50], tr['Falling Block'/1352741, l='MpServer', x=29999920.00, y=16.49, z=10.50], tr['Falling Block'/1352740, l='MpServer', x=29999920.00, y=16.49, z=10.50], tr['Falling Block'/1352739, l='MpServer', x=29999888.00, y=14.49, z=1.50], tr['Falling Block'/1352738, l='MpServer', x=29999900.00, y=4.49, z=-43.50], tr['Falling Block'/1352737, l='MpServer', x=29999888.00, y=13.49, z=-60.50], tr['Falling Block'/1352736, l='MpServer', x=29999856.00, y=28.49, z=17.50], tr['Falling Block'/1352751, l='MpServer', x=29999972.00, y=37.49, z=-0.50], tr['Falling Block'/1352750, l='MpServer', x=29999972.00, y=37.49, z=-0.50], uf['Creeper'/1345724, l='MpServer', x=29999903.59, y=69.00, z=100.94], tr['Falling Block'/1352749, l='MpServer', x=29999984.00, y=32.49, z=-14.50], ur['Skeleton'/1345727, l='MpServer', x=29999994.00, y=32.00, z=9.50], tr['Falling Block'/1352748, l='MpServer', x=29999984.00, y=32.49, z=-13.50], tr['Falling Block'/1352747, l='MpServer', x=29999984.00, y=32.49, z=-13.50], tr['Falling Block'/1352746, l='MpServer', x=29999964.00, y=45.49, z=73.50], tr['Falling Block'/1352745, l='MpServer', x=29999956.00, y=4.49, z=64.50], tr['Falling Block'/1352744, l='MpServer', x=29999956.00, y=20.49, z=-10.50], ts['item.item.egg'/1292620, l='MpServer', x=29999960.53, y=122.13, z=-24.44], tu['entity.MinecartChest.name'/856428, l='MpServer', x=30000008.00, y=36.34, z=-15.50], sq['Horse'/856431, l='MpServer', x=29999999.97, y=67.00, z=28.81], sq['Horse'/856430, l='MpServer', x=30000000.72, y=97.00, z=4.00], ta['Squid'/974631, l='MpServer', x=29999997.53, y=55.39, z=40.41], tu['entity.MinecartChest.name'/856418, l='MpServer', x=29999992.00, y=33.34, z=-3.50], tu['entity.MinecartChest.name'/856421, l='MpServer', x=29999996.00, y=33.34, z=36.50], sm['Bat'/1307507, l='MpServer', x=29999920.50, y=29.10, z=113.22], tu['entity.MinecartChest.name'/856440, l='MpServer', x=30000038.00, y=36.34, z=23.50], tu['entity.MinecartChest.name'/856441, l='MpServer', x=30000052.00, y=22.34, z=93.50], sm['Bat'/1330562, l='MpServer', x=29999968.59, y=38.73, z=-5.25], bfz['WolfieMario'/856158, l='MpServer', x=29999975.65, y=73.62, z=37.18], uf['Creeper'/1319055, l='MpServer', x=29999960.00, y=34.00, z=45.50], ul['Magma Cube'/856168, l='MpServer', x=29999999.38, y=66.00, z=21.63], sm['Bat'/1305077, l='MpServer', x=29999941.88, y=14.10, z=-11.53], sm['Bat'/1345459, l='MpServer', x=29999893.30, y=48.16, z=13.22], ut['Spider'/1340992, l='MpServer', x=29999924.16, y=33.00, z=107.63], ut['Spider'/1340994, l='MpServer', x=29999917.78, y=33.00, z=104.00], ut['Spider'/1340995, l='MpServer', x=29999915.78, y=33.00, z=102.25], sq['Horse'/856164, l='MpServer', x=29999978.72, y=74.00, z=8.56], sx['Sheep'/856395, l='MpServer', x=29999955.34, y=72.00, z=66.47], uf['Creeper'/1312864, l='MpServer', x=29999993.75, y=130.00, z=-24.94], sx['Sheep'/856394, l='MpServer', x=29999954.94, y=71.00, z=70.84], sx['Sheep'/856393, l='MpServer', x=29999979.97, y=72.00, z=10.44], sx['Sheep'/856392, l='MpServer', x=29999961.47, y=63.00, z=68.78], uf['Creeper'/1340205, l='MpServer', x=29999954.00, y=34.00, z=35.50], ts['item.item.egg'/1296781, l='MpServer', x=29999934.84, y=87.13, z=-10.56], sm['Bat'/1325622, l='MpServer', x=29999904.25, y=41.70, z=13.50], ur['Skeleton'/1312888, l='MpServer', x=29999895.72, y=76.00, z=47.75], uf['Creeper'/1340480, l='MpServer', x=29999980.00, y=63.00, z=114.50], uw['Zombie'/1352434, l='MpServer', x=29999964.00, y=119.00, z=-37.50], sx['Sheep'/856353, l='MpServer', x=29999951.75, y=70.00, z=41.81], sq['Horse'/856354, l='MpServer', x=29999981.53, y=67.00, z=19.81], ut['Spider'/1337565, l='MpServer', x=29999902.00, y=76.00, z=30.78], uw['Zombie'/1324203, l='MpServer', x=29999912.00, y=69.00, z=102.50], ut['Spider'/1340991, l='MpServer', x=29999920.00, y=33.00, z=107.50], uf['Creeper'/1308018, l='MpServer', x=29999964.00, y=15.00, z=49.50], ur['Skeleton'/1288456, l='MpServer', x=29999948.00, y=32.00, z=9.22], uf['Creeper'/1324189, l='MpServer', x=29999938.00, y=84.00, z=-30.50], ur['Skeleton'/1327401, l='MpServer', x=29999906.00, y=17.00, z=-23.50], uw['Zombie'/1273836, l='MpServer', x=29999946.00, y=17.00, z=84.50], sx['Sheep'/856323, l='MpServer', x=29999944.00, y=74.00, z=72.50], sx['Sheep'/856322, l='MpServer', x=29999946.00, y=73.00, z=74.50], uw['Zombie'/1337568, l='MpServer', x=29999904.00, y=77.00, z=34.50], sx['Sheep'/856321, l='MpServer', x=29999948.00, y=73.00, z=72.19], sx['Sheep'/856320, l='MpServer', x=29999948.00, y=73.00, z=73.78], sp['Cow'/856348, l='MpServer', x=29999956.69, y=99.00, z=-2.50], sp['Cow'/856346, l='MpServer', x=29999951.38, y=99.00, z=-3.56], ut['Spider'/1316851, l='MpServer', x=29999966.00, y=34.00, z=46.50], sp['Cow'/856347, l='MpServer', x=29999954.56, y=99.00, z=-2.44], sm['Bat'/1333946, l='MpServer', x=29999934.38, y=20.21, z=99.44], tu['entity.MinecartChest.name'/856344, l='MpServer', x=29999964.00, y=34.34, z=-0.50], sp['Cow'/856345, l='MpServer', x=29999956.00, y=103.00, z=-6.50], tu['entity.MinecartChest.name'/856341, l='MpServer', x=29999964.00, y=27.34, z=-15.50], so['Chicken'/856338, l='MpServer', x=29999962.00, y=123.00, z=-26.50], so['Chicken'/856339, l='MpServer', x=29999963.75, y=123.00, z=-24.81], so['Chicken'/856336, l='MpServer', x=29999964.09, y=124.00, z=-25.75], so['Chicken'/856337, l='MpServer', x=29999965.41, y=125.00, z=-25.47]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bfu.a(SourceFile:285)
	at awo.b(SourceFile:1821)
	at awo.e(SourceFile:655)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w37b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 107260720 bytes (102 MB) / 640417792 bytes (610 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 4182 (234192 bytes; 0 MB) allocated, 2085 (116760 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 13w37b
	LWJGL: 2.9.0
	OpenGL: GeForce 6150SE nForce 430/integrated/SSE2 GL version 2.1.2, NVIDIA Corporation
	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: 1676 (93856 bytes; 0 MB) allocated, 539 (30184 bytes; 0 MB) used