Game crashes when getting within range of trader llama

---- Minecraft Crash Report ----
// My bad.

Time: 2/21/19 12:32 AM
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
at ahv.a(SourceFile:1049)
at ahv.dC(SourceFile:1034)
at aib.dC(SourceFile:35)
at ahv.h(SourceFile:289)
at anv.h(SourceFile:572)
at aoc.h(SourceFile:83)
at uv.a(SourceFile:565)
at uv$$Lambda$2564/1939563145.accept(Unknown Source)
at bde.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 ahv.a(SourceFile:1049)
at ahv.dC(SourceFile:1034)
at aib.dC(SourceFile:35)
at ahv.h(SourceFile:289)
at anv.h(SourceFile:572)
at aoc.h(SourceFile:83)
at uv.a(SourceFile:565)
at uv$$Lambda$2564/1939563145.accept(Unknown Source)

– Entity being ticked –
Details:
Entity Type: minecraft:trader_llama (aoc)
Entity ID: 155
Entity Name: Trader Llama
Entity's Exact location: -248.41, 69.00, -77.40
Entity's Block location: World: (-249,69,-78), Chunk: (at 7,4,2 in -16,-5; contains blocks -256,0,-80 to -241,255,-65), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: []
Entity's Vehicle: ~_ERROR~ NullPointerException: null
Stacktrace:
at bde.a(SourceFile:683)
at uv.a(SourceFile:368)

– Affected level –
Details:
Level name: wilderness survival
All players: 1 total; [uw['Jake_4142'/300, l='wilderness survival', x=-174.51, y=71.94, z=47.98]]
Chunk stats: ServerChunkCache: 2052
Level seed: 341772251
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (-157,71,32), Chunk: (at 3,4,0 in -10,2; contains blocks -160,0,32 to -145,255,47), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 4102968 game time, 80903 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 69314 (now: false), thunder time: 38831 (now: false)
Level game mode: Game mode: survival (ID 0). 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: 19w08a
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: 1029350560 bytes (981 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['Jake_4142'/300, l='wilderness survival', x=-174.51, y=71.94, z=47.98]]
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.