---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 2018.01.09. 20:13
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at um.a(SourceFile:28)
	at um.a(SourceFile:22)
	at um.<init>(SourceFile:15)
	at uo.a(SourceFile:24)
	at uo$$Lambda$689/409087269.apply(Unknown Source)
	at java.util.Map.computeIfAbsent(Map.java:957)
	at uo.a(SourceFile:24)
	at uo.b(SourceFile:41)
	at rp.a(SourceFile:456)
	at aam.a(SourceFile:849)
	at aiz.a(SourceFile:883)
	at rp.a(SourceFile:526)
	at ajd.a(SourceFile:344)
	at ajd.H_(SourceFile:265)
	at ajw.H_(SourceFile:98)
	at arv.a(SourceFile:1564)
	at rn.a(SourceFile:704)
	at arv.h(SourceFile:1540)
	at arv.l(SourceFile:1422)
	at rn.l(SourceFile:537)
	at net.minecraft.server.MinecraftServer.w(SourceFile:679)
	at net.minecraft.server.MinecraftServer.v(SourceFile:604)
	at cmd.v(SourceFile:152)
	at net.minecraft.server.MinecraftServer.run(SourceFile:509)
	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 um.a(SourceFile:28)
	at um.a(SourceFile:22)
	at um.<init>(SourceFile:15)
	at uo.a(SourceFile:24)
	at uo$$Lambda$689/409087269.apply(Unknown Source)
	at java.util.Map.computeIfAbsent(Map.java:957)
	at uo.a(SourceFile:24)
	at uo.b(SourceFile:41)
	at rp.a(SourceFile:456)
	at aam.a(SourceFile:849)
	at aiz.a(SourceFile:883)
	at rp.a(SourceFile:526)
	at ajd.a(SourceFile:344)
	at ajd.H_(SourceFile:265)
	at ajw.H_(SourceFile:98)
	at arv.a(SourceFile:1564)
	at rn.a(SourceFile:704)
	at arv.h(SourceFile:1540)

-- Entity being ticked --
Details:
	Entity Type: minecraft:arrow (ajw)
	Entity ID: 5615
	Entity Name: Arrow
	Entity's Exact location: 261,62, 72,38, 214,11
	Entity's Block location: World: (261,72,214), Chunk: (at 5,4,6 in 16,13; contains blocks 256,0,208 to 271,255,223), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: 0,00, -0,36, 0,00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at arv.l(SourceFile:1422)
	at rn.l(SourceFile:537)

-- Affected level --
Details:
	Level name: New World
	All players: 1 total; [rp['TextComponent{text='Csongor', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null, insertion=null}}'/4253, l='New World', x=261,55, y=70,00, z=214,04]]
	Chunk stats: ServerChunkCache: 258 Drop: 0
	Level seed: -4838040972943603653
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (252,64,256), Chunk: (at 12,4,0 in 15,16; contains blocks 240,0,256 to 255,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 6566 game time, 6566 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 107936 (now: false), thunder time: 11836 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.w(SourceFile:679)
	at net.minecraft.server.MinecraftServer.v(SourceFile:604)
	at cmd.v(SourceFile:152)
	at net.minecraft.server.MinecraftServer.run(SourceFile:509)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 18w01a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 269868720 bytes (257 MB) / 553648128 bytes (528 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [rp['TextComponent{text='Csongor', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null, insertion=null}}'/4253, l='New World', x=261,55, y=70,00, z=214,04]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.