---- Minecraft Crash Report ---- // Who set us up the TNT? Time: 7/23/14 5:36 PM Description: Tesselating block in world java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(Unknown Source) at java.util.ArrayList$Itr.next(Unknown Source) at chc.b(SourceFile:302) at chc.a(SourceFile:281) at cjr.a(SourceFile:220) at cjq.a(SourceFile:67) 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$Itr.checkForComodification(Unknown Source) at java.util.ArrayList$Itr.next(Unknown Source) at chc.b(SourceFile:302) at chc.a(SourceFile:281) at cjr.a(SourceFile:220) -- Block being tesselated -- Details: Block type: ID #9 (tile.water // azp) Block data value: 0 / 0x0 / 0b0000 Block location: World: (-1243,51,188), Chunk: (at 5,3,12 in -78,11; contains blocks -1248,0,176 to -1233,255,191), Region: (-3,0; contains chunks -96,0 to -65,31, blocks -1536,0,0 to -1025,255,511) Stacktrace: at cjq.a(SourceFile:67) 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_07, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 381698368 bytes (364 MB) / 1080557568 bytes (1030 MB) up to 1080557568 bytes (1030 MB) JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1066M -Xms1066M IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94