---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 3/26/14 5:37 PM
Description: Exception in server tick loop

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at agr.a(SourceFile:122)
	at agr.a(SourceFile:27)
	at agl.a(SourceFile:364)
	at agt.a(SourceFile:29)
	at apq.a(SourceFile:432)
	at ml.a(SourceFile:160)
	at aoo.a(SourceFile:781)
	at ml.c(SourceFile:95)
	at mk.<init>(SourceFile:36)
	at mj.a(SourceFile:217)
	at mj.a(SourceFile:384)
	at lg.a(SourceFile:778)
	at btk.t(SourceFile:121)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)


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

-- System Details --
Details:
	Minecraft Version: 1.7.4
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 55619576 bytes (53 MB) / 292552704 bytes (279 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 3005 (168280 bytes; 0 MB) allocated, 3005 (168280 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1397 (78232 bytes; 0 MB) allocated, 1397 (78232 bytes; 0 MB) used
	Player Count: 1 / 8; [mp['spikej555'/269, l='The Bridge Run', x=234.64, y=62.13, z=256.49]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.