crash report

---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 02.06.19 09:24
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:247)
	at aqh.a(SourceFile:154)
	at us.a(SourceFile:384)
	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(IntegratedServer.java:159)
	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:247)
	at aqh.a(SourceFile:154)
	at us.a(SourceFile:384)
	at ve.a(SourceFile:295)
	at vg.a(SourceFile:310)

-- Affected level --
Details:
	Level name: Vanilla Streamerino
	All players: 1 total; [vh['Tirco'/464079, l='Vanilla Streamerino', x=-221.30, y=50.00, z=2256.86]]
	Chunk stats: ServerChunkCache: 5274
	Level seed: 1124381036
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (246,63,175), Chunk: (at 6,3,15 in 15,10; contains blocks 240,0,160 to 255,255,175), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 5142265 game time, 5789794 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 133006 (now: false), thunder time: 37764 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:827)
	at net.minecraft.server.MinecraftServer.a(SourceFile:764)
	at dxk.a(IntegratedServer.java:159)
	at net.minecraft.server.MinecraftServer.run(SourceFile:632)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.14.2
	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: 989389576 bytes (943 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['Tirco'/464079, l='Vanilla Streamerino', x=-221.30, y=50.00, z=2256.86]]
	Data Packs: vanilla, file/customizable armor stands v2.3.2.zip (incompatible), file/pillager tools v1.0.1.zip (incompatible), file/goals_datapack.zip (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated