---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 16/06/19 16:02
Description: Exception in server tick loop

java.util.concurrent.CompletionException: m: Exception generating new chunk
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273)
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at uw.b(SourceFile:57)
	at agq.e(SourceFile:83)
	at agq.a(SourceFile:123)
	at agq.run(SourceFile:91)
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
Caused by: m: Exception generating new chunk
	at uu.a(SourceFile:551)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at uu.a(SourceFile:534)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	... 11 more
Caused by: java.lang.NullPointerException
	at ati.f(SourceFile:86)
	at ath.c(SourceFile:232)
	at ail.<init>(SourceFile:234)
	at ath.<init>(SourceFile:35)
	at ath.<init>(SourceFile:39)
	at ati.<init>(SourceFile:50)
	at cia$a.a(SourceFile:97)
	at cit.a(SourceFile:73)
	at cir.a(SourceFile:66)
	at cep.a(SourceFile:69)
	at cag.a(SourceFile:36)
	at cgz.a(SourceFile:85)
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419)
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
	at cgz.a(SourceFile:84)
	at cgb.a(SourceFile:35)
	at cao.a(SourceFile:20)
	at cao.a(SourceFile:13)
	at cag.a(SourceFile:36)
	at bij.a(SourceFile:385)
	at bxd.a(SourceFile:126)
	at bxh.c(SourceFile:83)
	at bxh.a(SourceFile:217)
	at uu.a(SourceFile:540)
	... 14 more


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

-- System Details --
Details:
	Minecraft Version: 1.14.3 Pre-Release 3
	Operating System: Linux (amd64) version 4.9.163-xxxx-std-ipv6-64
	Java Version: 1.8.0_171, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 2608489496 bytes (2487 MB) / 6442450944 bytes (6144 MB) up to 6442450944 bytes (6144 MB)
	JVM Flags: 12 total; -Xms6G -Xmx6G -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100 -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:G1NewSizePercent=40 -XX:G1MaxNewSizePercent=60 -XX:G1MixedGCLiveThresholdPercent=35 -XX:+AlwaysPreTouch -XX:+ParallelRefProcEnabled
	Player Count: 3 / 2687; [vj['WinkBlue'/2840762, l='world', x=2856.32, y=78.00, z=-3910.04], vj['MrReacher'/2843561, l='world', x=-11275.58, y=192.00, z=3978.45], vj['Gumitza'/3040552, l='world', x=251.85, y=95.77, z=-2307.48]]
	Data Packs: vanilla
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)