---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 27/06/20 11:20
Description: Exception ticking world

java.lang.IllegalStateException: Entity is already tracked!
	at yp.a(SourceFile:1016)
	at zb.c(SourceFile:477)
	at zd.m(SourceFile:898)
	at zd.a(SourceFile:420)
	at net.minecraft.server.MinecraftServer.b(SourceFile:873)
	at net.minecraft.server.MinecraftServer.a(SourceFile:813)
	at eoz.a(SourceFile:93)
	at net.minecraft.server.MinecraftServer.v(SourceFile:672)
	at net.minecraft.server.MinecraftServer.a(SourceFile:256)
	at net.minecraft.server.MinecraftServer$$Lambda$4209/123890265.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Thread: Server thread
Stacktrace:
	at yp.a(SourceFile:1016)
	at zb.c(SourceFile:477)
	at zd.m(SourceFile:898)
	at zd.a(SourceFile:420)

-- Affected level --
Details:
	All players: 1 total; [ze['kruthers'/2, l='ServerLevel[Testing world]', x=30.75, y=66.20, z=37.73]]
	Chunk stats: ServerChunkCache: 2158
	Level dimension: minecraft:overworld
	Level spawn location: World: (8,55,8), Chunk: (at 8,3,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 201800 game time, 18057 day time
	Level name: Testing world
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
	Level weather: Rain time: 35360 (now: false), thunder time: 72157 (now: false)
	Known server brands: vanilla
	Level was modded: false
	Level storage version: 0x04ABD - Anvil
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:873)
	at net.minecraft.server.MinecraftServer.a(SourceFile:813)
	at eoz.a(SourceFile:93)
	at net.minecraft.server.MinecraftServer.v(SourceFile:672)
	at net.minecraft.server.MinecraftServer.a(SourceFile:256)
	at net.minecraft.server.MinecraftServer$$Lambda$4209/123890265.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.16.1
	Minecraft Version ID: 1.16.1
	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: 381530248 bytes (363 MB) / 773935104 bytes (738 MB) up to 6429343744 bytes (6131 MB)
	CPUs: 12
	JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx6G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn125m
	Player Count: 1 / 8; [ze['kruthers'/2, l='ServerLevel[Testing world]', x=30.75, y=66.20, z=37.73]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.