java.lang.NullPointerException: Ticking entity

During certain instances, when I play the game, a ticking entity can cause a crash because of its null pointer exception.

---- Minecraft Crash Report ----
// Who set us up the TNT?Time: 2/9/19 4:57 PM
Description: Ticking entityjava.lang.NullPointerException: Ticking entity
	at ahs.a(SourceFile:1008)
	at ahs.dr(SourceFile:997)
	at ahy.dr(SourceFile:70)
	at ahs.h(SourceFile:287)
	at anm.h(SourceFile:211)
	at bcu.a(SourceFile:647)
	at ur.a(SourceFile:652)
	at ur.k_(SourceFile:449)
	at net.minecraft.server.MinecraftServer.b(SourceFile:865)
	at net.minecraft.server.MinecraftServer.a(SourceFile:796)
	at dsa.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:664)
	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 ahs.a(SourceFile:1008)
	at ahs.dr(SourceFile:997)
	at ahy.dr(SourceFile:70)
	at ahs.h(SourceFile:287)
	at anm.h(SourceFile:211)
	at bcu.a(SourceFile:647)
	at ur.a(SourceFile:652)-- Entity being ticked --
Details:
	Entity Type: minecraft:wolf (anm)
	Entity ID: 890
	Entity Name: Wolf
	Entity's Exact location: 2872.09, 50.00, -1164.61
	Entity's Block location: World: (2872,50,-1165), Chunk: (at 8,3,3 in 179,-73; contains blocks 2864,0,-1168 to 2879,255,-1153), Region: (5,-3; contains chunks 160,-96 to 191,-65, blocks 2560,0,-1536 to 3071,255,-1025)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at ur.k_(SourceFile:449)-- Affected level --
Details:
	Level name: §6§lHarry Potter§f in Minecraft
	All players: 1 total; [us['ChristopherC3P0'/331, l='§6§lHarry Potter§f in Minecraft', x=2863.14, y=57.13, z=-1089.31]]
	Chunk stats: ServerChunkCache: 3357
	Level seed: -4371241995136831948
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: {biome:"minecraft:the_void",layers:[{block:"minecraft:air",height:1}],structures:{decoration:{}}}
	Level spawn location: World: (562,16,-1001), Chunk: (at 2,1,7 in 35,-63; contains blocks 560,0,-1008 to 575,255,-993), Region: (1,-2; contains chunks 32,-64 to 63,-33, blocks 512,0,-1024 to 1023,255,-513)
	Level time: 443305838 game time, 13000 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 15085 (now: false), thunder time: 152 (now: true)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:865)
	at net.minecraft.server.MinecraftServer.a(SourceFile:796)
	at dsa.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:664)
	at java.lang.Thread.run(Thread.java:745)-- System Details --
Details:
	Minecraft Version: 19w06a
	Operating System: Mac OS X (x86_64) version 10.13.6
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1445361856 bytes (1378 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [us['ChristopherC3P0'/331, l='§6§lHarry Potter§f in Minecraft', x=2863.14, y=57.13, z=-1089.31]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.