---- Minecraft Crash Report ----
// You're mean.

Time: 9/03/16 06:20 PM
Description: Ticking entity

java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
	at java.util.ArrayList$Itr.next(Unknown Source)
	at vg.a(SourceFile:36)
	at aht.a(SourceFile:376)
	at aht.a(SourceFile:322)
	at akv.a(SourceFile:161)
	at ub.c(SourceFile:23)
	at tl.a(SourceFile:102)
	at sb.cm(SourceFile:635)
	at sa.n(SourceFile:1757)
	at sb.n(SourceFile:488)
	at ro.n(SourceFile:134)
	at sa.m(SourceFile:1619)
	at sb.m(SourceFile:276)
	at aht.a(SourceFile:1516)
	at lp.a(SourceFile:717)
	at aht.g(SourceFile:1494)
	at aht.k(SourceFile:1384)
	at lp.k(SourceFile:550)
	at net.minecraft.server.MinecraftServer.D(SourceFile:625)
	at net.minecraft.server.MinecraftServer.C(SourceFile:553)
	at byl.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:457)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
	at java.util.ArrayList$Itr.next(Unknown Source)
	at vg.a(SourceFile:36)
	at aht.a(SourceFile:376)
	at aht.a(SourceFile:322)
	at akv.a(SourceFile:161)
	at ub.c(SourceFile:23)
	at tl.a(SourceFile:102)
	at sb.cm(SourceFile:635)
	at sa.n(SourceFile:1757)
	at sb.n(SourceFile:488)
	at ro.n(SourceFile:134)
	at sa.m(SourceFile:1619)
	at sb.m(SourceFile:276)
	at aht.a(SourceFile:1516)
	at lp.a(SourceFile:717)
	at aht.g(SourceFile:1494)

-- Entity being ticked --
Details:
	Entity Type: Villager (ze)
	Entity ID: 294
	Entity Name: Villager
	Entity's Exact location: -55.49, 69.00, 279.51
	Entity's Block location: World: (-56,69,279), Chunk: (at 8,4,7 in -4,17; contains blocks -64,0,272 to -49,255,287), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at aht.k(SourceFile:1384)
	at lp.k(SourceFile:550)

-- Affected level --
Details:
	Level name: Winter's World
	All players: 1 total; [lr['Winter_Grave'/393, l='Winter's World', x=-59.47, y=72.00, z=304.10]]
	Chunk stats: ServerChunkCache: 399 Drop: 0
	Level seed: 3915487028593834159
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (-78,64,293), Chunk: (at 2,4,5 in -5,18; contains blocks -80,0,288 to -65,255,303), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 197036912 game time, 8531285 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 107814 (now: false), thunder time: 68247 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:625)
	at net.minecraft.server.MinecraftServer.C(SourceFile:553)
	at byl.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:457)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.9.1-pre1
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_66, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 5986004104 bytes (5708 MB) / 6415646720 bytes (6118 MB) up to 10710614016 bytes (10214 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms6G -Xmx10G -Xincgc -Xmn256M -XX:ParallelGCThreads=4 -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [lr['Winter_Grave'/393, l='Winter's World', x=-59.47, y=72.00, z=304.10]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.