when I go around in my world, the game crashes when spectating and going trough the mycelium ground
report:
---- Minecraft Crash Report ----
// Don't do that.
Time: 23-7-14 17:50
Description: Tesselating block model
java.lang.IndexOutOfBoundsException: Index: 1, Size: 0
at java.util.ArrayList.rangeCheck(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at csu.b(SourceFile:88)
at chc.a(SourceFile:156)
at cjs.a(SourceFile:139)
at cjs.a(SourceFile:74)
at cjs.a(SourceFile:43)
at cjs.a(SourceFile:35)
at cjq.a(SourceFile:62)
at cmt.b(SourceFile:156)
at cmm.a(SourceFile:71)
at cmm.run(SourceFile:31)
at java.lang.Thread.run(Unknown Source)
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 csu.b(SourceFile:88)
at chc.a(SourceFile:156)
at cjs.a(SourceFile:139)
at cjs.a(SourceFile:74)
-- Block model being tesselated --
Details:
Block: minecraft:mycelium[snowy=false]
Block location: World: (147,54,642), Chunk: (at 3,3,2 in 9,40; contains blocks 144,0,640 to 159,255,655), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
Using AO: true
Stacktrace:
at cjs.a(SourceFile:43)
at cjs.a(SourceFile:35)
-- Block being tesselated --
Details:
Block type: ID #110 (tile.mycel // awy)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (147,54,642), Chunk: (at 3,3,2 in 9,40; contains blocks 144,0,640 to 159,255,655), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
Stacktrace:
at cjq.a(SourceFile:62)
at cmt.b(SourceFile:156)
at cmm.a(SourceFile:71)
at cmm.run(SourceFile:31)
at java.lang.Thread.run(Unknown Source)
-- System Details --
Details:
Minecraft Version: 14w30b
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_65, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 187909368 bytes (179 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Linked issues
Comments

but I wasn't generating any new chunks
weird for a similair crash
Duplicate of MC-62984