---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 12:18 25/05/18
Description: Exception initializing level

java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.CompletableFuture$AsyncSupply@cc349a rejected from java.util.concurrent.ThreadPoolExecutor@810b4[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.reject(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.execute(Unknown Source)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Unknown Source)
	at java.util.concurrent.CompletableFuture.asyncSupplyStage(Unknown Source)
	at java.util.concurrent.CompletableFuture.supplyAsync(Unknown Source)
	at agg.b(SourceFile:66)
	at agi.a(SourceFile:40)
	at sj.h(SourceFile:166)
	at sj.c(SourceFile:129)
	at bbe.d(SourceFile:248)
	at brd.a(SourceFile:206)
	at brd.a(SourceFile:183)
	at sk.b(SourceFile:682)
	at sk.a(SourceFile:610)
	at net.minecraft.server.MinecraftServer.a(SourceFile:318)
	at rv.d(SourceFile:248)
	at net.minecraft.server.MinecraftServer.run(SourceFile:502)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Thread: Server thread
Stacktrace:
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.reject(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.execute(Unknown Source)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Unknown Source)
	at java.util.concurrent.CompletableFuture.asyncSupplyStage(Unknown Source)
	at java.util.concurrent.CompletableFuture.supplyAsync(Unknown Source)
	at agg.b(SourceFile:66)
	at agi.a(SourceFile:40)
	at sj.h(SourceFile:166)
	at sj.c(SourceFile:129)
	at bbe.d(SourceFile:248)
	at brd.a(SourceFile:206)
	at brd.a(SourceFile:183)
	at sk.b(SourceFile:682)

-- Affected level --
Details:
	Level name: world
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 0 Drop: 0
	Level seed: -5183597062412627853
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-40,64,232), Chunk: (at 8,4,8 in -3,14; contains blocks -48,0,224 to -33,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at sk.a(SourceFile:610)
	at net.minecraft.server.MinecraftServer.a(SourceFile:318)
	at rv.d(SourceFile:248)
	at net.minecraft.server.MinecraftServer.run(SourceFile:502)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 18w21a
	Operating System: Windows 10 (x86) version 10.0
	Java Version: 1.8.0_144, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 42882136 bytes (40 MB) / 147419136 bytes (140 MB) up to 259522560 bytes (247 MB)
	JVM Flags: 0 total; 
	Profiler Position: N/A (disabled)
	Player Count: 0 / 4; []
	Data Packs: vanilla
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)