---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 10/20/18 5:00 PM
Description: Unexpected error

java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
	at java.util.ArrayList$Itr.next(ArrayList.java:851)
	at axx.o_(SourceFile:1136)
	at cfs.m(SourceFile:1281)
	at cfs.c(SourceFile:821)
	at cfs.a(SourceFile:395)
	at net.minecraft.client.main.Main.main(SourceFile:144)


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

-- Head --
Thread: Client thread
Stacktrace:
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
	at java.util.ArrayList$Itr.next(ArrayList.java:851)
	at axx.o_(SourceFile:1136)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [cti['Ravenstar56'/137, l='MpServer', x=104.34, y=73.00, z=207.08]]
	Chunk stats: MultiplayerChunkCache: 623, 623
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: {}
	Level spawn location: World: (160,64,224), Chunk: (at 0,4,0 in 10,14; contains blocks 160,0,224 to 175,255,239), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 931941 game time, 931941 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 54 total; [anp['Spider'/1920, l='MpServer', x=44.50, y=90.00, z=197.50], anm['Skeleton'/1409, l='MpServer', x=156.50, y=61.00, z=286.50], anp['Spider'/1922, l='MpServer', x=41.14, y=17.00, z=249.70], ams['Creeper'/2435, l='MpServer', x=115.50, y=68.00, z=137.50], anm['Skeleton'/1924, l='MpServer', x=39.50, y=17.00, z=253.50], anm['Skeleton'/2436, l='MpServer', x=109.50, y=68.00, z=141.50], anm['Skeleton'/1925, l='MpServer', x=42.70, y=17.00, z=252.58], anm['Skeleton'/2438, l='MpServer', x=111.50, y=68.00, z=145.50], anv['Zombie'/2568, l='MpServer', x=167.50, y=71.00, z=141.50], anv['Zombie'/2058, l='MpServer', x=27.25, y=68.00, z=234.50], anv['Zombie'/1931, l='MpServer', x=36.72, y=69.00, z=242.54], ajl['Bat'/2315, l='MpServer', x=173.71, y=40.90, z=236.96], anv['Zombie'/1932, l='MpServer', x=33.79, y=67.00, z=249.50], anm['Skeleton'/2572, l='MpServer', x=31.50, y=110.00, z=166.50], ajl['Bat'/2317, l='MpServer', x=159.62, y=38.38, z=251.56], ajl['Bat'/2318, l='MpServer', x=167.77, y=49.07, z=249.26], anv['Zombie'/2322, l='MpServer', x=34.50, y=68.00, z=248.50], anv['Zombie'/2580, l='MpServer', x=46.50, y=35.00, z=269.50], anv['Zombie'/2325, l='MpServer', x=37.47, y=68.00, z=248.25], anv['Zombie'/2581, l='MpServer', x=51.50, y=35.00, z=269.50], ams['Creeper'/2328, l='MpServer', x=61.50, y=109.00, z=191.50], anm['Skeleton'/2467, l='MpServer', x=48.55, y=71.00, z=255.74], anm['Skeleton'/2468, l='MpServer', x=48.50, y=69.00, z=248.50], cti['Ravenstar56'/137, l='MpServer', x=104.34, y=73.00, z=207.08], ajl['Bat'/1582, l='MpServer', x=156.54, y=32.48, z=229.16], amv['Enderman'/2480, l='MpServer', x=140.41, y=71.00, z=153.50], anv['Zombie'/2482, l='MpServer', x=25.50, y=92.00, z=159.50], anv['Zombie'/1844, l='MpServer', x=28.50, y=96.00, z=153.50], ams['Creeper'/567, l='MpServer', x=65.50, y=105.00, z=152.50], anv['Zombie'/2104, l='MpServer', x=143.50, y=73.00, z=133.50], anv['Zombie'/66, l='MpServer', x=90.71, y=77.00, z=202.82], ajq['Chicken'/69, l='MpServer', x=114.52, y=72.00, z=128.11], anv['Zombie'/453, l='MpServer', x=64.50, y=111.00, z=188.50], anp['Spider'/1493, l='MpServer', x=140.50, y=64.00, z=279.50], ajq['Chicken'/87, l='MpServer', x=146.13, y=73.00, z=134.51], ajq['Chicken'/88, l='MpServer', x=138.11, y=69.00, z=155.66], ajq['Chicken'/89, l='MpServer', x=136.69, y=70.00, z=153.47], anv['Zombie'/2266, l='MpServer', x=113.50, y=66.00, z=168.50], ajl['Bat'/2394, l='MpServer', x=159.46, y=50.01, z=235.80], ajl['Bat'/2395, l='MpServer', x=154.62, y=63.07, z=252.25], ajq['Chicken'/96, l='MpServer', x=141.74, y=73.00, z=131.83], ajl['Bat'/2400, l='MpServer', x=166.83, y=48.73, z=240.01], ake['Sheep'/97, l='MpServer', x=159.51, y=65.00, z=149.54], ajz['Pig'/109, l='MpServer', x=164.69, y=60.00, z=165.52], ams['Creeper'/2030, l='MpServer', x=152.50, y=63.00, z=168.50], ams['Creeper'/2034, l='MpServer', x=160.50, y=59.00, z=197.50], ajq['Chicken'/118, l='MpServer', x=180.51, y=70.00, z=148.78], anm['Skeleton'/2040, l='MpServer', x=79.50, y=102.00, z=154.50], anv['Zombie'/1915, l='MpServer', x=83.77, y=96.00, z=189.82], ajl['Bat'/2172, l='MpServer', x=160.75, y=16.81, z=230.49], anv['Zombie'/1917, l='MpServer', x=84.92, y=96.00, z=191.52], ajl['Bat'/2173, l='MpServer', x=166.22, y=12.03, z=241.05], ajl['Bat'/2174, l='MpServer', x=164.91, y=15.82, z=234.92], ajl['Bat'/2175, l='MpServer', x=165.56, y=11.14, z=242.41]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at crf.a(SourceFile:418)
	at cfs.b(SourceFile:1815)
	at cfs.a(SourceFile:408)
	at net.minecraft.client.main.Main.main(SourceFile:144)

-- System Details --
Details:
	Minecraft Version: 1.13.1
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 177003456 bytes (168 MB) / 603979776 bytes (576 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Launched Version: 1.13.1
	LWJGL: 3.1.6 build 14
	OpenGL: Intel(R) HD Graphics GL version 4.0.0 - Build 10.18.10.3408, Intel
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 4x Intel(R) Pentium(R) CPU J2900 @ 2.41GHz