---- Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 7/1/19 4:44 PM
Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1461)
	at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
	at axf.y(SourceFile:259)
	at axf.o(SourceFile:389)
	at axh.a(SourceFile:72)
	at vi.a(SourceFile:325)
	at net.minecraft.server.MinecraftServer.b(SourceFile:824)
	at ui.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:763)
	at net.minecraft.server.MinecraftServer.run(SourceFile:631)
	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 java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1461)
	at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
	at axf.y(SourceFile:259)
	at axf.o(SourceFile:389)
	at axh.a(SourceFile:72)
	at vi.a(SourceFile:325)

-- Affected level --
Details:
	All players: 2 total; [vj['nuggetwugget'/116, l='FightWither', x=300.48, y=70.00, z=-567.67], vj['Elicamorza'/507, l='FightWither', x=249.87, y=65.00, z=-677.80]]
	Chunk stats: ServerChunkCache: 3488
	Level dimension: minecraft:overworld
	Level name: FightWither
	Level seed: -9113928436975264479
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (224,64,-224), Chunk: (at 0,4,0 in 14,-14; contains blocks 224,0,-224 to 239,255,-209), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 3150845 game time, 631230 day time
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 73164 (now: false), thunder time: 79231 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:824)
	at ui.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:763)
	at net.minecraft.server.MinecraftServer.run(SourceFile:631)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.14.3
	Operating System: Mac OS X (x86_64) version 10.14.3
	Java Version: 1.8.0_102, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 3781307232 bytes (3606 MB) / 4189061120 bytes (3995 MB) up to 4189061120 bytes (3995 MB)
	JVM Flags: 2 total; -Xmx4096M -Xms4096M
	Player Count: 2 / 20; [vj['nuggetwugget'/116, l='FightWither', x=300.48, y=70.00, z=-567.67], vj['Elicamorza'/507, l='FightWither', x=249.87, y=65.00, z=-677.80]]
	Data Packs: vanilla
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)