---- Minecraft Crash Report ----
// But it works on my machine.

Time: 5/10/17 8:52 PM
Description: Ticking entity

java.lang.ArrayIndexOutOfBoundsException: 1
	at bee.f(SourceFile:74)
	at abn.k(SourceFile:68)
	at abn.j(SourceFile:63)
	at abn.c(SourceFile:24)
	at aay.n(SourceFile:242)
	at vk.B_(SourceFile:1742)
	at vl.B_(SourceFile:281)
	at amn.a(SourceFile:1521)
	at oj.a(SourceFile:714)
	at amn.h(SourceFile:1499)
	at amn.k(SourceFile:1382)
	at oj.k(SourceFile:547)
	at net.minecraft.server.MinecraftServer.D(SourceFile:634)
	at nu.D(SourceFile:343)
	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
	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 bee.f(SourceFile:74)
	at abn.k(SourceFile:68)
	at abn.j(SourceFile:63)
	at abn.c(SourceFile:24)
	at aay.n(SourceFile:242)
	at vk.B_(SourceFile:1742)
	at vl.B_(SourceFile:281)
	at amn.a(SourceFile:1521)
	at oj.a(SourceFile:714)
	at amn.h(SourceFile:1499)

-- Entity being ticked --
Details:
	Entity Type: minecraft:ender_dragon (aay)
	Entity ID: 138
	Entity Name: Ender Dragon
	Entity's Exact location: 0.26, 202.58, 0.38
	Entity's Block location: World: (0,202,0), Chunk: (at 0,12,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: -0.64, 0.06, 0.01
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at amn.k(SourceFile:1382)
	at oj.k(SourceFile:547)

-- Affected level --
Details:
	Level name: world
	All players: 1 total; [ol['CesaDude'/137, l='world', x=0.19, y=64.58, z=1.06]]
	Chunk stats: ServerChunkCache: 441 Drop: 0
	Level seed: 4939037097785204359
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 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
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:634)
	at nu.D(SourceFile:343)
	at net.minecraft.server.MinecraftServer.C(SourceFile:562)
	at net.minecraft.server.MinecraftServer.run(SourceFile:466)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.12-pre1
	Operating System: Linux (amd64) version 4.2.0-42-generic
	Java Version: 1.8.0_111, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1389357520 bytes (1324 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 26 total; -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=50 -XX:+DisableExplicitGC -XX:TargetSurvivorRatio=90 -XX:+AggressiveOpts -XX:HeapDumpPath=crash-reports/ -XX:+HeapDumpOnOutOfMemoryError -Xloggc:logs/gc.log -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+PrintAdaptiveSizePolicy -XX:NumberOfGCLogFiles=1 -XX:GCLogFileSize=20M -XX:+AlwaysPreTouch -XX:MaxMetaspaceSize=512M -XX:MetaspaceSize=256M -XX:+UseLargePagesInMetaspace -XX:G1NewSizePercent=70 -XX:G1MaxNewSizePercent=80 -XX:InitiatingHeapOccupancyPercent=20 -XX:SurvivorRatio=4 -XX:InitialSurvivorRatio=4 -Xmx2G -Xms2G
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 1 / 5; [ol['CesaDude'/137, l='world', x=0.19, y=64.58, z=1.06]]
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)