java.lang.IndexOutOfBoundsException: Index: 49, Size: 45
	at java.util.ArrayList.RangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at ye.a(SourceFile:281)
	at biy.a(SourceFile:308)
	at bdd.a(SourceFile:490)
	at bdd.a(SourceFile:514)
	at bdd.a(SourceFile:499)
	at bcd.l(SourceFile:258)
	at bcd.k(SourceFile:217)

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

Time: 10/25/13 3:15 PM
Description: Updating screen events

java.lang.IndexOutOfBoundsException: Index: 50, Size: 45
	at java.util.ArrayList.RangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at ye.a(SourceFile:281)
	at biy.a(SourceFile:308)
	at bdd.a(SourceFile:490)
	at bdd.a(SourceFile:514)
	at bdd.a(SourceFile:499)
	at bcd.l(SourceFile:258)
	at bcd.k(SourceFile:217)
	at azd.o(SourceFile:1303)
	at azd.ad(SourceFile:753)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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

-- Head --
Stacktrace:
	at java.util.ArrayList.RangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at ye.a(SourceFile:281)
	at biy.a(SourceFile:308)
	at bdd.a(SourceFile:490)
	at bdd.a(SourceFile:514)
	at bdd.a(SourceFile:499)
	at bcd.l(SourceFile:258)
	at bcd.k(SourceFile:217)

-- Affected screen --
Details:
	Screen name: ~~ERROR~~ NullPointerException: null

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bje['tenshineko64'/2910, l='MpServer', x=-315.34, y=26.62, z=688.23]]
	Chunk stats: MultiplayerChunkCache: 323, 323
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (188,64,236), Chunk: (at 12,4,12 in 11,14; contains blocks 176,0,224 to 191,255,239), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 6148269 game time, 6310749 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 58 total; [uq['Bat'/148713, l='MpServer', x=-305.69, y=30.98, z=668.84], us['Chicken'/2983, l='MpServer', x=-356.44, y=64.00, z=687.53], uq['Bat'/75968, l='MpServer', x=-308.11, y=12.99, z=671.47], vw['item.tile.rail'/129144, l='MpServer', x=-286.22, y=24.13, z=732.66], ut['Cow'/3002, l='MpServer', x=-313.91, y=63.00, z=642.84], vw['item.tile.dirt.default'/144405, l='MpServer', x=-344.28, y=60.13, z=693.22], us['Chicken'/2959, l='MpServer', x=-366.53, y=63.00, z=689.47], vw['item.item.egg'/145660, l='MpServer', x=-370.72, y=61.13, z=681.38], vw['item.tile.dirt.default'/143459, l='MpServer', x=-347.72, y=57.13, z=693.28], bje['tenshineko64'/2910, l='MpServer', x=-315.34, y=26.62, z=688.23], us['Chicken'/2945, l='MpServer', x=-392.47, y=62.34, z=674.53], us['Chicken'/2968, l='MpServer', x=-381.41, y=62.25, z=672.59], us['Chicken'/2969, l='MpServer', x=-351.56, y=64.00, z=689.41], us['Chicken'/3053, l='MpServer', x=-308.34, y=63.00, z=687.53], us['Chicken'/3055, l='MpServer', x=-292.47, y=63.00, z=700.47], us['Chicken'/3054, l='MpServer', x=-285.53, y=62.00, z=674.56], uq['Bat'/144189, l='MpServer', x=-306.00, y=14.82, z=669.09], uq['Bat'/149868, l='MpServer', x=-339.78, y=33.72, z=765.52], vw['item.item.egg'/148425, l='MpServer', x=-290.72, y=63.13, z=700.69], vw['item.tile.dirt.default'/145010, l='MpServer', x=-343.75, y=61.13, z=693.66], ut['Cow'/3056, l='MpServer', x=-313.06, y=63.00, z=697.97], us['Chicken'/3059, l='MpServer', x=-283.44, y=63.00, z=620.56], vw['item.tile.dirt.default'/144706, l='MpServer', x=-344.25, y=60.13, z=693.81], us['Chicken'/3061, l='MpServer', x=-289.63, y=63.00, z=688.53], ut['Cow'/3035, l='MpServer', x=-304.94, y=63.00, z=664.16], uq['Bat'/75965, l='MpServer', x=-305.69, y=23.10, z=695.38], ut['Cow'/3036, l='MpServer', x=-308.75, y=63.00, z=673.28], ut['Cow'/3037, l='MpServer', x=-313.47, y=63.00, z=677.06], vy['entity.MinecartChest.name'/62675, l='MpServer', x=-261.50, y=19.50, z=752.50], ut['Cow'/3027, l='MpServer', x=-314.31, y=63.00, z=637.22], uq['Bat'/150161, l='MpServer', x=-284.25, y=22.65, z=730.51], vw['item.tile.dirt.default'/133905, l='MpServer', x=-320.94, y=28.13, z=691.84], uq['Bat'/145754, l='MpServer', x=-370.29, y=40.49, z=617.65], uq['Bat'/145755, l='MpServer', x=-372.20, y=40.75, z=625.61], uq['Bat'/145753, l='MpServer', x=-372.05, y=41.50, z=613.20], vw['item.tile.dirt.default'/144803, l='MpServer', x=-343.22, y=61.13, z=693.16], vw['item.tile.dirt.default'/144090, l='MpServer', x=-346.19, y=58.13, z=693.16], uq['Bat'/145424, l='MpServer', x=-271.78, y=19.87, z=734.75], uq['Bat'/145425, l='MpServer', x=-265.88, y=20.10, z=734.56], vw['item.tile.dirt.default'/133244, l='MpServer', x=-321.47, y=28.13, z=691.13], uq['Bat'/139911, l='MpServer', x=-302.59, y=26.10, z=673.97], vw['item.tile.dirt.default'/144310, l='MpServer', x=-345.16, y=59.13, z=693.31], ve['Squid'/147320, l='MpServer', x=-266.38, y=59.25, z=627.31], ve['Squid'/147321, l='MpServer', x=-257.38, y=58.16, z=628.53], vw['item.tile.dirt.default'/143747, l='MpServer', x=-346.63, y=58.13, z=693.75], us['Chicken'/2941, l='MpServer', x=-385.56, y=63.00, z=611.53], vw['item.tile.dirt.default'/134658, l='MpServer', x=-323.06, y=30.13, z=691.22], ve['Squid'/147318, l='MpServer', x=-258.84, y=59.22, z=634.66], ve['Squid'/147319, l='MpServer', x=-264.66, y=58.22, z=628.56], uq['Bat'/145422, l='MpServer', x=-272.50, y=19.94, z=735.22], us['Chicken'/2942, l='MpServer', x=-385.53, y=63.00, z=654.31], vw['item.item.egg'/129701, l='MpServer', x=-307.22, y=63.13, z=688.22], uq['Bat'/145705, l='MpServer', x=-310.47, y=19.32, z=682.38], vw['item.tile.dirt.default'/145345, l='MpServer', x=-341.19, y=63.13, z=693.25], vw['item.tile.dirt.default'/142683, l='MpServer', x=-347.91, y=54.13, z=691.75], vw['item.tile.dirt.default'/142411, l='MpServer', x=-346.22, y=52.13, z=691.78], vw['item.tile.dirt.default'/133458, l='MpServer', x=-322.38, y=29.13, z=691.44], vw['item.tile.dirt.default'/145114, l='MpServer', x=-342.22, y=62.13, z=693.63]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at biz.a(SourceFile:284)
	at azd.b(SourceFile:1951)
	at azd.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.6.0_15, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
	Memory: 79191048 bytes (75 MB) / 391774208 bytes (373 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 3770 (211120 bytes; 0 MB) allocated, 6 (336 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: Intel(R) Graphics Media Accelerator HD GL version 2.1.0 - Build 8.15.10.1968, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 3683 (206248 bytes; 0 MB) allocated, 21 (1176 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)