---- Minecraft Crash Report ---- // Quite honestly, I wouldn't worry myself about that. Time: 6/15/13 12:10 PM Description: Unexpected error java.lang.IndexOutOfBoundsException: Index: 20, Size: 16 at java.util.ArrayList.RangeCheck(ArrayList.java:547) at java.util.ArrayList.get(ArrayList.java:322) at bjn.d(SourceFile:43) at bjn.a(SourceFile:47) at bhp.j(SourceFile:127) at bho.c(SourceFile:155) at bho.d(SourceFile:192) at bhq.d(SourceFile:76) at atl.k(SourceFile:1129) at atl.S(SourceFile:650) at atl.d(SourceFile:606) at net.minecraft.client.main.Main.main(SourceFile:85) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 13w24b Operating System: Mac OS X (x86_64) version 10.6.8 Java Version: 1.6.0_45, Apple Inc. Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc. Memory: 69948880 bytes (66 MB) / 121737216 bytes (116 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 1 total; -Xmx1G AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 Launched Version: 13w24b LWJGL: 2.9.0 OpenGL: ATI Radeon HD 5770 OpenGL Engine GL version 2.1 ATI-1.6.36, ATI Technologies Inc. Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Texture Pack: Wolfpack 0.1-converted-1371316083176 Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null