java.lang.ArrayIndexOutOfBoundsException while generating new chunk

---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 29-7-19 15:49
Description: Exception generating new chunk

java.lang.ArrayIndexOutOfBoundsException: -1
	at it.unimi.dsi.fastutil.longs.Long2IntLinkedOpenHashMap.fixPointers(Long2IntLinkedOpenHashMap.java:1122)
	at it.unimi.dsi.fastutil.longs.Long2IntLinkedOpenHashMap.shiftKeys(Long2IntLinkedOpenHashMap.java:434)
	at it.unimi.dsi.fastutil.longs.Long2IntLinkedOpenHashMap.removeFirstInt(Long2IntLinkedOpenHashMap.java:488)
	at clv.a(SourceFile:30)
	at cnf.a(SourceFile:14)
	at cna.b(SourceFile:13)
	at clv.a(SourceFile:26)
	at cmt.a(SourceFile:22)
	at cnb.a(SourceFile:15)
	at clv.a(SourceFile:26)
	at cmm.a(SourceFile:24)
	at cnb.a(SourceFile:15)
	at clv.a(SourceFile:26)
	at cmj.a(SourceFile:24)
	at bko.a(SourceFile:172)
	at cet.a(SourceFile:187)
	at cet.a(SourceFile:42)
	at bxi.a(SourceFile:197)
	at bxm.d(SourceFile:52)
	at bxm.a(SourceFile:217)
	at uw.a(SourceFile:543)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at uw.a(SourceFile:537)
	at java.util.concurrent.CompletableFuture.uniCompose(Unknown Source)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(Unknown Source)
	at java.util.concurrent.CompletableFuture$Completion.run(Unknown Source)
	at uy.b(SourceFile:58)
	at agt.e(SourceFile:83)
	at agt.a(SourceFile:123)
	at agt.run(SourceFile:91)
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(Unknown Source)
	at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
	at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
	at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)


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

-- Head --
Thread: Server thread
Stacktrace:
	at it.unimi.dsi.fastutil.longs.Long2IntLinkedOpenHashMap.fixPointers(Long2IntLinkedOpenHashMap.java:1122)
	at it.unimi.dsi.fastutil.longs.Long2IntLinkedOpenHashMap.shiftKeys(Long2IntLinkedOpenHashMap.java:434)
	at it.unimi.dsi.fastutil.longs.Long2IntLinkedOpenHashMap.removeFirstInt(Long2IntLinkedOpenHashMap.java:488)
	at clv.a(SourceFile:30)
	at cnf.a(SourceFile:14)
	at cna.b(SourceFile:13)
	at clv.a(SourceFile:26)
	at cmt.a(SourceFile:22)
	at cnb.a(SourceFile:15)
	at clv.a(SourceFile:26)
	at cmm.a(SourceFile:24)
	at cnb.a(SourceFile:15)
	at clv.a(SourceFile:26)
	at cmj.a(SourceFile:24)
	at bko.a(SourceFile:172)
	at cet.a(SourceFile:187)
	at cet.a(SourceFile:42)
	at bxi.a(SourceFile:197)
	at bxm.d(SourceFile:52)
	at bxm.a(SourceFile:217)

-- Chunk to be generated --
Details:
	Location: 33,31
	Position hash: 133143986209
	Generator: bzf@37d227e5
Stacktrace:
	at uw.a(SourceFile:543)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at uw.a(SourceFile:537)
	at java.util.concurrent.CompletableFuture.uniCompose(Unknown Source)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(Unknown Source)
	at java.util.concurrent.CompletableFuture$Completion.run(Unknown Source)
	at uy.b(SourceFile:58)
	at agt.e(SourceFile:83)
	at agt.a(SourceFile:123)
	at agt.run(SourceFile:91)

-- Affected level --
Details:
	All players: 1 total; [vl['MarcoDaSilva'/29, l='New World', x=336.51, y=118.23, z=459.40]]
	Chunk stats: ServerChunkCache: 3826
	Level dimension: minecraft:overworld
	Level name: New World
	Level seed: -5430699455432374528
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (240,65,-208), Chunk: (at 0,4,0 in 15,-13; contains blocks 240,0,-208 to 255,255,-193), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 6984 game time, 6984 day time
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 102512 (now: false), thunder time: 169541 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:838)
	at net.minecraft.server.MinecraftServer.a(SourceFile:774)
	at eac.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:642)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.14.4
	Minecraft Version ID: 1.14.4
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_221, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1540473672 bytes (1469 MB) / 2046820352 bytes (1952 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 4
	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
	Player Count: 1 / 8; [vl['MarcoDaSilva'/29, l='New World', x=336.51, y=118.23, z=459.40]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.