---- Minecraft Crash Report ----
// Oops.

Time: 1/21/13 2:46 AM
Description: Ticking entity

java.lang.ArrayIndexOutOfBoundsException: -1
	at aar.a(SourceFile:314)
	at aar.e(SourceFile:535)
	at yv.r(SourceFile:1579)
	at apa.b(SourceFile:290)
	at apa.b(SourceFile:270)
	at apa.a(SourceFile:168)
	at qn.aB(SourceFile:97)
	at qn.l_(SourceFile:90)
	at yv.a(SourceFile:1312)
	at iq.a(SourceFile:480)
	at yv.g(SourceFile:1290)
	at yv.h(SourceFile:1197)
	at iq.h(SourceFile:374)
	at net.minecraft.server.MinecraftServer.r(SourceFile:460)
	at net.minecraft.server.MinecraftServer.q(SourceFile:395)
	at bhc.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:329)
	at gi.run(SourceFile:565)


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

-- Head --
Stacktrace:
	at aar.a(SourceFile:314)
	at aar.e(SourceFile:535)
	at yv.r(SourceFile:1579)
	at apa.b(SourceFile:290)
	at apa.b(SourceFile:270)
	at apa.a(SourceFile:168)
	at qn.aB(SourceFile:97)
	at qn.l_(SourceFile:90)
	at yv.a(SourceFile:1312)
	at iq.a(SourceFile:480)
	at yv.g(SourceFile:1290)

-- Entity being ticked --
Details:
	Entity Type: MinecartHopper (qn)
	Entity ID: 0
	Entity Name: entity.MinecartHopper.name
	Entity's Exact location: 1158.50, -7.81, -517.50
	Entity's Block location: World: (1158,-8,-518), Chunk: (at 6,-1,10 in 72,-33; contains blocks 1152,0,-528 to 1167,255,-513), Region: (2,-2; contains chunks 64,-64 to 95,-33, blocks 1024,0,-1024 to 1535,255,-513)
	Entity's Momentum: -0.00, -0.76, -0.00
Stacktrace:
	at yv.h(SourceFile:1197)
	at iq.h(SourceFile:374)

-- Affected level --
Details:
	Level name: Game
	All players: 1 total; [it['Kevlar98'/1, l='Game', x=1157.07, y=97.83, z=-517.70]]
	Chunk stats: ServerChunkCache: 625 Drop: 0
	Level seed: 1880751033024558024
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 2;100x0,20;1;biome_1,village
	Level spawn location: World: (1158,4,-523), Chunk: (at 6,0,5 in 72,-33; contains blocks 1152,0,-528 to 1167,255,-513), Region: (2,-2; contains chunks 64,-64 to 95,-33, blocks 1024,0,-1024 to 1535,255,-513)
	Level time: 115705 game time, 115705 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 78146 (now: false), thunder time: 75177 (now: true)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:460)
	at net.minecraft.server.MinecraftServer.q(SourceFile:395)
	at bhc.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:329)
	at gi.run(SourceFile:565)

-- System Details --
Details:
	Minecraft Version: 13w03a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_10, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 296284640 bytes (282 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 8 (448 bytes; 0 MB) allocated, 5 (280 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [it['Kevlar98'/1, l='Game', x=1157.07, y=97.83, z=-517.70]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.