---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 24/05/18 1:59 PM
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: Java heap space
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237)
	at sj.c(SourceFile:129)
	at sr.a(SourceFile:84)
	at ss.c(SourceFile:143)
	at sk.i_(SourceFile:223)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dii.v(SourceFile:156)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.OutOfMemoryError: Java heap space
	at it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue.resize(IntArrayFIFOQueue.java:175)
	at it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue.expand(IntArrayFIFOQueue.java:189)
	at it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue.enqueue(IntArrayFIFOQueue.java:201)
	at cbm.a(SourceFile:142)
	at cbm.a(SourceFile:146)
	at cbm.a(SourceFile:130)
	at cbp.a(SourceFile:62)
	at tb.a(SourceFile:23)
	at sx.a(SourceFile:34)
	at bqc.a(SourceFile:87)
	at td.a(SourceFile:59)
	at td.a(SourceFile:23)
	at agg$a.a(SourceFile:143)
	at agg$a$$Lambda$1512/20732381.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncApply.exec(CompletableFuture.java:501)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:902)
	at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1689)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1644)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)


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

-- Head --
Thread: Server thread
Stacktrace:
	at sj.a(SourceFile:173)

-- Chunk to be generated --
Details:
	Location: 167,7
	Position hash: 30064771239
	Generator: brt@9c391f
Stacktrace:
	at sj.a(SourceFile:173)
	at sj.c(SourceFile:132)
	at sr.a(SourceFile:84)
	at ss.c(SourceFile:143)
	at sk.i_(SourceFile:223)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dii.v(SourceFile:156)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
	Level name: T1_18w21a
	All players: 1 total; [sm['<redacted>'/287, l='T1_18w21a', x=2671.45, y=128.00, z=0.60]]
	Chunk stats: ServerChunkCache: 671 Drop: 169
	Level seed: 1
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-160,63,211), Chunk: (at 0,3,3 in -10,13; contains blocks -160,0,208 to -145,255,223), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 3924 game time, 670 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 13820 (now: false), thunder time: 51954 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

-- System Details --
Details:
	Minecraft Version: 18w21a
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 606482896 bytes (578 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -Xss1024K
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [sm['Machinator'/287, l='T1_18w21a', x=2671.45, y=128.00, z=0.60]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.