java.lang.ArrayIndexOutOfBoundsException

Ezekiel, this bug occurs too when I'm playing this map in the minecraft 1.6.1.

Please zip and attach the world and try it in 1.6.2.

Crash with 1.6.2

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 30.07.13 16:49
Description: Exception ticking world

java.lang.ArrayIndexOutOfBoundsException: 1104
	at ado.a(SourceFile:28)
	at adr.b(SourceFile:75)
	at adq.c(SourceFile:326)
	at abv.h(SourceFile:341)
	at abv.w(SourceFile:1719)
	at ach.a(SourceFile:152)
	at ach.a(SourceFile:100)
	at jr.b(SourceFile:107)
	at net.minecraft.server.MinecraftServer.t(SourceFile:462)
	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 ado.a(SourceFile:28)
	at adr.b(SourceFile:75)
	at adq.c(SourceFile:326)
	at abv.h(SourceFile:341)
	at abv.w(SourceFile:1719)
	at ach.a(SourceFile:152)
	at ach.a(SourceFile:100)
	at jr.b(SourceFile:107)

-- Affected level --
Details:
	Level name: IVP WORLD
	All players: 1 total; [ju['Kumasasa'/352, l='IVP WORLD', x=-161,75, y=75,17, z=15,58]]
	Chunk stats: ServerChunkCache: 919 Drop: 0
	Level seed: -2467819969651162343
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (-196,64,256), Chunk: (at 12,4,0 in -13,16; contains blocks -208,0,256 to -193,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 6478782 game time, 29900 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 35925 (now: false), thunder time: 92387 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.t(SourceFile:462)
	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_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 95597352 bytes (91 MB) / 416546816 bytes (397 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 4616 (258496 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 929 (52024 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [ju['Kumasasa'/352, l='IVP WORLD', x=-161,75, y=75,17, z=15,58]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

Confirmed with the attached world.

Still in 1.7.4

Description: Exception ticking world

java.lang.ArrayIndexOutOfBoundsException: 1339
	at aom.a(SourceFile:28)
	at aoq.b(SourceFile:75)
	at aoo.c(SourceFile:386)
	at afs.e(SourceFile:354)
	at afs.a(SourceFile:1721)
	at agf.a(SourceFile:153)
	at agf.a(SourceFile:101)
	at mm.b(SourceFile:117)
	at net.minecraft.server.MinecraftServer.u(SourceFile:502)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at btk.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)

Still having this issue in 1.7.4.
I'll attach both the server crash log and the Java crash log.