---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 7/10/13 4:12 PM
Description: Ticking player

java.lang.IllegalArgumentException: Modifier name cannot be empty
	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:398)
	at os.<init>(SourceFile:31)
	at to.a(SourceFile:94)
	at yd.D(SourceFile:580)
	at oe.l_(SourceFile:1170)
	at ue.l_(SourceFile:203)
	at ju.h(SourceFile:180)
	at jz.a(SourceFile:190)
	at et.a(SourceFile:136)
	at cm.b(SourceFile:64)
	at jz.e(SourceFile:60)
	at kc.b(SourceFile:37)
	at bkz.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.t(SourceFile:488)
	at net.minecraft.server.MinecraftServer.s(SourceFile:405)
	at bkw.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:339)
	at hh.run(SourceFile:582)


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 os.<init>(SourceFile:31)
	at to.a(SourceFile:94)
	at yd.D(SourceFile:580)
	at oe.l_(SourceFile:1170)
	at ue.l_(SourceFile:203)

-- Player being ticked --
Details:
	Entity Type: null (ju)
	Entity ID: 321
	Entity Name: SpyGuyIan
	Entity's Exact location: -193.70, 18.00, -1189.92
	Entity's Block location: World: (-194,18,-1190), Chunk: (at 14,1,10 in -13,-75; contains blocks -208,0,-1200 to -193,255,-1185), Region: (-1,-3; contains chunks -32,-96 to -1,-65, blocks -512,0,-1536 to -1,255,-1025)
	Entity's Momentum: 0.00, -0.08, 0.00
Stacktrace:
	at ju.h(SourceFile:180)
	at jz.a(SourceFile:190)
	at et.a(SourceFile:136)
	at cm.b(SourceFile:64)
	at jz.e(SourceFile:60)

-- Ticking connection --
Details:
	Connection: jz@5f49564
Stacktrace:
	at kc.b(SourceFile:37)
	at bkz.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.t(SourceFile:488)
	at net.minecraft.server.MinecraftServer.s(SourceFile:405)
	at bkw.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:339)
	at hh.run(SourceFile:582)

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 359326544 bytes (342 MB) / 603324416 bytes (575 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 4528 (253568 bytes; 0 MB) allocated, 4488 (251328 bytes; 0 MB) used
	Suspicious classes: [com.nikcraft.xray.ThreadCheckVersion]
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 634 (35504 bytes; 0 MB) allocated, 623 (34888 bytes; 0 MB) used
	Player Count: 1 / 8; [ju['SpyGuyIan'/321, l='Flat Mayhem + House', x=-193.70, y=18.00, z=-1189.92]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated