---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 9/8/16 8:10 PM
Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.remove(HashMap.java:1451)
	at lt.d(SourceFile:198)
	at lu.d(SourceFile:201)
	at net.minecraft.server.MinecraftServer.D(SourceFile:625)
	at lf.D(SourceFile:338)
	at net.minecraft.server.MinecraftServer.C(SourceFile:561)
	at net.minecraft.server.MinecraftServer.run(SourceFile:465)
	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.remove(HashMap.java:1451)
	at lt.d(SourceFile:198)
	at lu.d(SourceFile:201)

-- Affected level --
Details:
	Level name: world
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 503 Drop: 248
	Level seed: 8753610325547299477
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (180,64,228), Chunk: (at 4,4,4 in 11,14; contains blocks 176,0,224 to 191,255,239), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 111829 game time, 111829 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 35045 (now: false), thunder time: 33141 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:625)
	at lf.D(SourceFile:338)
	at net.minecraft.server.MinecraftServer.C(SourceFile:561)
	at net.minecraft.server.MinecraftServer.run(SourceFile:465)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 16w36a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_92, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 131403240 bytes (125 MB) / 645398528 bytes (615 MB) up to 1308622848 bytes (1248 MB)
	JVM Flags: 0 total; 
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 0 / 20; []
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)