---- Minecraft Crash Report ----
// Shall we play a game?

Time: 14.05.19 17:13
Description: Exception ticking world

java.util.NoSuchElementException
	at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.removeFirstLong(LongLinkedOpenHashSet.java:470)
	at ckn.b(SourceFile:194)
	at aqh$a.a(SourceFile:242)
	at aqh.a(SourceFile:149)
	at us.a(SourceFile:379)
	at ve.a(SourceFile:295)
	at vg.a(SourceFile:310)
	at net.minecraft.server.MinecraftServer.b(SourceFile:827)
	at net.minecraft.server.MinecraftServer.a(SourceFile:764)
	at dxk.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:632)
	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 it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.removeFirstLong(LongLinkedOpenHashSet.java:470)
	at ckn.b(SourceFile:194)
	at aqh$a.a(SourceFile:242)
	at aqh.a(SourceFile:149)
	at us.a(SourceFile:379)
	at ve.a(SourceFile:295)
	at vg.a(SourceFile:310)

-- Affected level --
Details:
	Level name: 1.14 bad gamedesign demo
	All players: 1 total; [vh['_MethodZz_'/12, l='1.14 bad gamedesign demo', x=1013.96, y=1.25, z=124.17]]
	Chunk stats: ServerChunkCache: 4234
	Level seed: -5707731782568789854
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: {biome:"minecraft:plains",layers:[{block:"minecraft:white_stained_glass",height:1b}],structures:{village:{}}}
	Level spawn location: World: (248,0,120), Chunk: (at 8,0,8 in 15,7; contains blocks 240,0,112 to 255,255,127), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 4902432 game time, 2000 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:827)
	at net.minecraft.server.MinecraftServer.a(SourceFile:764)
	at dxk.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:632)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.14.1
	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: 833466232 bytes (794 MB) / 2013265920 bytes (1920 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
	Player Count: 1 / 8; [vh['_MethodZz_'/12, l='1.14 bad gamedesign demo', x=1013.96, y=1.25, z=124.17]]
	Data Packs: vanilla, file/chunkdisplay_v2-0.zip (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.