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I've only been in this world a few nights. Suddenly it crashed and continues to crash immediately upon loading into world. Crash report is below. I tried relocating player using NBTExplorer, but game still tries to load player in same spot and crash. Ideas? TIA.

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 11/18/18 9:30 PM
Description: Exception generating new chunk

java.util.concurrent.CompletionException: java.lang.RuntimeException: We are asking a region for a chunk out of bound | -81 4
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273)
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280)
at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:604)
at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443)
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689)
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
Caused by: java.lang.RuntimeException: We are asking a region for a chunk out of bound | -81 4
at ti.b(SourceFile:108)
at bmz.a(SourceFile:57)
at tv.a(SourceFile:14)
at tq.a(SourceFile:35)
at bnd.a(SourceFile:95)
at tx.a(SourceFile:79)
at tx.a(SourceFile:25)
at acu$a.a(SourceFile:147)
at acu$a$$Lambda$1836/904923207.apply(Unknown Source)
at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
... 6 more

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

-- Head --
Thread: Server thread
Stacktrace:
at tc.a(SourceFile:159)

-- Chunk to be generated --
Details:
Location: -81,4
Position hash: 21474836399
Generator: [email protected]
Stacktrace:
at tc.a(SourceFile:159)
at tc.a(SourceFile:124)
at axy.c(SourceFile:248)
at axy.l(SourceFile:243)
at axy.a_(SourceFile:577)
at ayj.a(SourceFile:232)
at ayj.a(SourceFile:160)
at td.a(SourceFile:195)
at net.minecraft.server.MinecraftServer.b(SourceFile:747)
at net.minecraft.server.MinecraftServer.a(SourceFile:681)
at dgh.a(SourceFile:131)
at net.minecraft.server.MinecraftServer.run(SourceFile:584)
at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
Level name: AP3
All players: 1 total; [tf['The_Holy_Poly'/223, l='AP3', x=-1231.51, y=61.68, z=118.15]]
Chunk stats: ServerChunkCache: 1128 Drop: 369
Level seed: -5355887436482428584
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (-128,72,-192), Chunk: (at 0,4,0 in -8,-12; contains blocks -128,0,-192 to -113,255,-177), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 302533 game time, 397853 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 146293 (now: false), thunder time: 20885 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true

-- System Details --
Details:
Minecraft Version: 1.13.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 222148032 bytes (211 MB) / 603979776 bytes (576 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Profiler Position: N/A (disabled)
Player Count: 1 / 8; [tf['The_Holy_Poly'/223, l='AP3', x=-1231.51, y=61.68, z=118.15]]
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

See this: https://bugs.mojang.com/browse/MC-131071