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

Time: 2/6/13 5:45 PM
Description: Ticking memory connection

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at sb.q(SourceFile:827)
	at jh.a(SourceFile:543)
	at dq.a(SourceFile:36)
	at cg.b(SourceFile:55)
	at jh.d(SourceFile:61)
	at ji.b(SourceFile:39)
	at big.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.r(SourceFile:480)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bid.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:567)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 13w05b
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_13, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 325757480 bytes (310 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 4087 (228872 bytes; 0 MB) allocated, 3582 (200592 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 2149 (120344 bytes; 0 MB) allocated, 1603 (89768 bytes; 0 MB) used
	Player Count: 1 / 8; [jc['banana478'/4323, l='MCEDITTEST', x=53.60, y=62.92, z=131.47]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.