---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 07/12/18 19.02
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
at akj.g(SourceFile:81)
at amc$c.c(SourceFile:225)
at air.a(SourceFile:102)
at agu.cQ(SourceFile:601)
at agt.k(SourceFile:2035)
at agu.k(SourceFile:474)
at agh.k(SourceFile:134)
at alp.k(SourceFile:47)
at agt.T_(SourceFile:1886)
at agu.T_(SourceFile:285)
at amc.T_(SourceFile:149)
at bas.a(SourceFile:1165)
at uk.a(SourceFile:395)
at bas.g(SourceFile:1145)
at bas.m_(SourceFile:1027)
at uk.m_(SourceFile:311)
at net.minecraft.server.MinecraftServer.b(SourceFile:787)
at net.minecraft.server.MinecraftServer.a(SourceFile:716)
at doq.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:582)
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 akj.g(SourceFile:81)
at amc$c.c(SourceFile:225)
at air.a(SourceFile:102)
at agu.cQ(SourceFile:601)
at agt.k(SourceFile:2035)
at agu.k(SourceFile:474)
at agh.k(SourceFile:134)
at alp.k(SourceFile:47)
at agt.T_(SourceFile:1886)
at agu.T_(SourceFile:285)
at amc.T_(SourceFile:149)
at bas.a(SourceFile:1165)
at uk.a(SourceFile:395)
at bas.g(SourceFile:1145)

– Entity being ticked –
Details:
Entity Type: minecraft:polar_bear (amc)
Entity ID: 25
Entity Name: Polar Bear
Entity's Exact location: 182.38, 62.57, 122.55
Entity's Block location: World: (182,62,122), Chunk: (at 6,3,10 in 11,7; contains blocks 176,0,112 to 191,255,127), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.39, 0.02, 0.04
Entity's Passengers: []
Entity's Vehicle: _ERROR NullPointerException: null
Stacktrace:
at bas.m_(SourceFile:1027)
at uk.m_(SourceFile:311)

– Affected level –
Details:
Level name: New World
All players: 1 total; [um['Matte3688'/126, l='New World', x=180.30, y=63.00, z=122.38]]
Chunk stats: ServerChunkCache: 2062
Level seed: -7357569284571764106
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (112,65,32), Chunk: (at 0,4,0 in 7,2; contains blocks 112,0,32 to 127,255,47), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 6274 game time, 6274 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 39642 (now: false), thunder time: 142477 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.b(SourceFile:787)
at net.minecraft.server.MinecraftServer.a(SourceFile:716)
at doq.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:582)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 18w49a
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: 420927280 bytes (401 MB) / 905969664 bytes (864 MB) up to 7516192768 bytes (7168 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx7G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Player Count: 1 / 8; [um['Matte3688'/126, l='New World', x=180.30, y=63.00, z=122.38]]
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.