---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 1/1/20 8:06 PM
Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1469)
	at vk.a(SourceFile:1037)
	at bhr.a(SourceFile:233)
	at bvn.a(SourceFile:210)
	at bvt.a(SourceFile:241)
	at vk.a(SourceFile:1097)
	at vk.ae(SourceFile:1088)
	at vk.a(SourceFile:336)
	at net.minecraft.server.MinecraftServer.b(SourceFile:835)
	at uk.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:774)
	at net.minecraft.server.MinecraftServer.run(SourceFile:642)
	at java.lang.Thread.run(Thread.java:748)


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

-- Head --
Thread: Server thread
Stacktrace:
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1469)
	at vk.a(SourceFile:1037)
	at bhr.a(SourceFile:233)
	at bvn.a(SourceFile:210)
	at bvt.a(SourceFile:241)
	at vk.a(SourceFile:1097)
	at vk.ae(SourceFile:1088)
	at vk.a(SourceFile:336)

-- Affected level --
Details:
	All players: 5 total; [vl['iLuxLucis'/87512, l='world', x=2914.86, y=79.50, z=-708.66], vl['BigMilky101'/81046, l='world', x=2806.88, y=18.00, z=-3236.30], vl['BruinBuck'/101875, l='world', x=8567.76, y=62.07, z=910.71], vl['LumpySpaceHolly'/109465, l='world', x=2805.07, y=24.00, z=-3256.30], vl['kieransearl'/144329, l='world', x=6898.27, y=52.00, z=745.61]]
	Chunk stats: ServerChunkCache: 10060
	Level dimension: minecraft:overworld
	Level name: world
	Level seed: 8210109244613034996
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (4163,72,35), Chunk: (at 3,4,3 in 260,2; contains blocks 4160,0,32 to 4175,255,47), Region: (8,0; contains chunks 256,0 to 287,31, blocks 4096,0,0 to 4607,255,511)
	Level time: 1198800306 game time, 501109797 day time
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 95303 (now: false), thunder time: 156382 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:835)
	at uk.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:774)
	at net.minecraft.server.MinecraftServer.run(SourceFile:642)
	at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
	Minecraft Version: 1.14.4
	Minecraft Version ID: 1.14.4
	Operating System: Linux (amd64) version 3.10.0-1062.9.1.el7.x86_64
	Java Version: 1.8.0_232, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 305712312 bytes (291 MB) / 1540014080 bytes (1468 MB) up to 25096093696 bytes (23933 MB)
	CPUs: 8
	JVM Flags: 5 total; -Xms128M -Xmx24000M -XX:+UseConcMarkSweepGC -XX:+DisableExplicitGC -XX:+CMSClassUnloadingEnabled
	Player Count: 5 / 99; [vl['BigMilky101'/81046, l='world', x=2806.88, y=18.00, z=-3236.30], vl['iLuxLucis'/87512, l='world', x=2914.86, y=79.50, z=-708.66], vl['BruinBuck'/101875, l='world', x=8567.76, y=62.07, z=910.71], vl['LumpySpaceHolly'/109465, l='world', x=2805.07, y=24.00, z=-3256.30], vl['kieransearl'/144329, l='world', x=6898.27, y=52.00, z=745.61]]
	Data Packs: vanilla, file/anti enderman grief v1.0.0.zip, file/silence mobs v1.0.0.zip, file/customizable armor stands v2.4.0.zip, file/VanillaTweaks_c677591.zip (incompatible), file/anti ghast grief v1.0.0.zip, file/coordinates hud v1.1.1.zip, file/dragon drops elytra v1.0.2.zip, file/kill empty boats v1.0.0.zip, file/larger phantoms v1.0.0.zip, file/more mob heads v2.1.0.zip, file/multiplayer sleep v1.0.1.zip, file/player_head_drops_v1.0.0.zip, file/terracotta rotation wrench v1.0.1.zip
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)