Crash generating a new chunk

1.14 Pre-Release 1\: [^crash-2019-04-10_22.03.55-server.txt]

---- Minecraft Crash Report ----
// My bad.

Time: 4/10/19 10:03 PM
Description: Exception generating new chunk

java.lang.IllegalArgumentException: bound must be positive
	at java.util.Random.nextInt(Random.java:388)
	at ciy.a(SourceFile:181)
	at cjb.a(SourceFile:147)
	at cey.a(SourceFile:91)
	at cew$c.a(SourceFile:161)
	at cew$c.<init>(SourceFile:98)
	at cew.a(SourceFile:280)
	at cem.a(SourceFile:25)
	at cel$a.a(SourceFile:89)
	at bwr.a(SourceFile:187)
	at bwv.d(SourceFile:47)
	at bwv.a(SourceFile:202)
	at us.a(SourceFile:441)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at us.a(SourceFile:435)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at uu.b(SourceFile:57)
	at agi.e(SourceFile:83)
	at agi.a(SourceFile:123)
	at agi.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)


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

-- Head --
Thread: Server thread
Stacktrace:
	at java.util.Random.nextInt(Random.java:388)
	at ciy.a(SourceFile:181)
	at cjb.a(SourceFile:147)
	at cey.a(SourceFile:91)
	at cew$c.a(SourceFile:161)
	at cew$c.<init>(SourceFile:98)
	at cew.a(SourceFile:280)
	at cem.a(SourceFile:25)
	at cel$a.a(SourceFile:89)
	at bwr.a(SourceFile:187)
	at bwv.d(SourceFile:47)
	at bwv.a(SourceFile:202)

-- Chunk to be generated --
Details:
	Location: -350,391
	Position hash: 1683627179682
	Generator: byo@6b6f921c
Stacktrace:
	at us.a(SourceFile:441)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at us.a(SourceFile:435)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at uu.b(SourceFile:57)
	at agi.e(SourceFile:83)

-- Entity being ticked --
Details:
	Entity Type: minecraft:rabbit (arb)
	Entity ID: 444
	Entity Name: Rabbit
	Entity's Exact location: -5523.00, 69.00, 6078.00
	Entity's Block location: World: (-5523,69,6078), Chunk: (at 13,4,14 in -346,379; contains blocks -5536,0,6064 to -5521,255,6079), Region: (-11,11; contains chunks -352,352 to -321,383, blocks -5632,0,5632 to -5121,255,6143)
	Entity's Momentum: 0.00, 0.00, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bha.a(SourceFile:672)
	at vf.a(SourceFile:384)
	at net.minecraft.server.MinecraftServer.b(SourceFile:817)
	at ug.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:754)
	at net.minecraft.server.MinecraftServer.run(SourceFile:629)
	at java.lang.Thread.run(Thread.java:748)

-- Affected level --
Details:
	Level name: world3
	All players: 1 total; [vg['j03ri'/100, l='world3', x=-5522.99, y=66.00, z=5927.48]]
	Chunk stats: ServerChunkCache: 4050
	Level seed: 8388877238671224089
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-6511,253,3915), Chunk: (at 1,15,11 in -407,244; contains blocks -6512,0,3904 to -6497,255,3919), Region: (-13,7; contains chunks -416,224 to -385,255, blocks -6656,0,3584 to -6145,255,4095)
	Level time: 5133590 game time, 5688193 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 167865 (now: false), thunder time: 34407 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false

-- System Details --
Details:
	Minecraft Version: 1.14 Pre-Release 1
	Operating System: Linux (amd64) version 3.13.0-139-generic
	Java Version: 1.8.0_171, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 371055056 bytes (353 MB) / 985661440 bytes (940 MB) up to 985661440 bytes (940 MB)
	JVM Flags: 3 total; -Xmx1024M -Xms1024M -XX:MaxPermSize=256m
	Player Count: 1 / 3; [vg['j03ri'/100, l='world3', x=-5522.99, y=66.00, z=5927.48]]
	Data Packs: file/OnePlayerSleepV2_5 (incompatible), file/Custom (incompatible)
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)