---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 17/01/13 02:36 PM
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: 16033
	Entity Name: entity.MinecartHopper.name
	Entity's Exact location: -254,50, -2,16, -178,90
	Entity's Block location: World: (-255,-3,-179), Chunk: (at 1,-1,13 in -16,-12; contains blocks -256,0,-192 to -241,255,-177), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Entity's Momentum: 0,00, -0,49, 0,06
Stacktrace:
	at yv.h(SourceFile:1197)
	at iq.h(SourceFile:374)

-- Affected level --
Details:
	Level name: crash explain world
	All players: 1 total; [it['EL_GERMI_3D'/0, l='crash explain world', x=-252,58, y=4,00, z=-178,58]]
	Chunk stats: ServerChunkCache: 1185 Drop: 0
	Level seed: 2503259903568515599
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-248,4,-176), Chunk: (at 8,0,0 in -16,-11; contains blocks -256,0,-176 to -241,255,-161), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Level time: 1867 game time, 1867 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 60079 (now: false), thunder time: 110441 (now: false)
	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 (x86) version 6.1
	Java Version: 1.6.0_37, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 288499704 bytes (275 MB) / 571908096 bytes (545 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 267 (14952 bytes; 0 MB) allocated, 127 (7112 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: 26 (1456 bytes; 0 MB) allocated, 16 (896 bytes; 0 MB) used
	Player Count: 1 / 8; [it['EL_GERMI_3D'/0, l='crash explain world', x=-252,58, y=4,00, z=-178,58]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.