---- Minecraft Crash Report ----
// Don't do that.

Time: 19. 3. 2 오전 11:15
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
	at alp.g(SourceFile:85)
	at anj$c.c(SourceFile:220)
	at ajv.a(SourceFile:102)
	at ahw.cV(SourceFile:608)
	at ahv.k(SourceFile:2169)
	at ahw.k(SourceFile:477)
	at ahk.k(SourceFile:139)
	at amv.k(SourceFile:46)
	at ahv.h(SourceFile:2018)
	at ahw.h(SourceFile:291)
	at anj.h(SourceFile:149)
	at uv.a(SourceFile:565)
	at uv$$Lambda$2626/31699895.accept(Unknown Source)
	at bdf.a(SourceFile:683)
	at uv.a(SourceFile:368)
	at net.minecraft.server.MinecraftServer.b(SourceFile:837)
	at net.minecraft.server.MinecraftServer.a(SourceFile:776)
	at dtc.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:634)
	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 alp.g(SourceFile:85)
	at anj$c.c(SourceFile:220)
	at ajv.a(SourceFile:102)
	at ahw.cV(SourceFile:608)
	at ahv.k(SourceFile:2169)
	at ahw.k(SourceFile:477)
	at ahk.k(SourceFile:139)
	at amv.k(SourceFile:46)
	at ahv.h(SourceFile:2018)
	at ahw.h(SourceFile:291)
	at anj.h(SourceFile:149)
	at uv.a(SourceFile:565)
	at uv$$Lambda$2626/31699895.accept(Unknown Source)

-- Entity being ticked --
Details:
	Entity Type: minecraft:polar_bear (anj)
	Entity ID: 242268
	Entity Name: 북극곰
	Entity's Exact location: 223.17, 4.36, -99.65
	Entity's Block location: World: (223,4,-100), Chunk: (at 15,0,12 in 13,-7; contains blocks 208,0,-112 to 223,255,-97), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Entity's Momentum: 0.18, 0.28, 0.01
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at bdf.a(SourceFile:683)
	at uv.a(SourceFile:368)

-- Affected level --
Details:
	Level name: 새로운 세계
	All players: 1 total; [uw['Gamma705'/47567, l='새로운 세계', x=225.21, y=4.00, z=-103.55]]
	Chunk stats: ServerChunkCache: 2094
	Level seed: 6879051662085144118
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (224,4,-112), Chunk: (at 0,0,0 in 14,-7; contains blocks 224,0,-112 to 239,255,-97), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 323 game time, 323 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 59935 (now: false), thunder time: 163593 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:837)
	at net.minecraft.server.MinecraftServer.a(SourceFile:776)
	at dtc.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:634)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 19w09a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 728691040 bytes (694 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [uw['Gamma705'/47567, l='새로운 세계', x=225.21, y=4.00, z=-103.55]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.