My game crashed when I loaded a wandering trader llama

Crash Report:

---- Minecraft Crash Report ----// But it works on my machine.
Time: 2/20/19 2:35 PMDescription: Ticking entity
java.lang.NullPointerException: Ticking entity at ahv.a(SourceFile:1049) at ahv.dC(SourceFile:1038) 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$2559/1717208176.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 threadStacktrace: at ahv.a(SourceFile:1049) at ahv.dC(SourceFile:1038) 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$2559/1717208176.accept(Unknown Source)
– Entity being ticked --Details: Entity Type: minecraft:trader_llama (aoc) Entity ID: 165 Entity Name: Trader Llama Entity's Exact location: -546.50, 4.00, -314.50 Entity's Block location: World: (-547,4,-315), Chunk: (at 13,0,5 in -35,-20; contains blocks -560,0,-320 to -545,255,-305), Region: (-2,-1; contains chunks -64,-32 to -33,-1, blocks -1024,0,-512 to -513,255,-1) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [] Entity's Vehicle: ~_ERROR~ NullPointerException: nullStacktrace: at bde.a(SourceFile:683) at uv.a(SourceFile:368)
– Affected level --Details: Level name: :o All players: 1 total; [uw['Creeper_Juice'/140, l=':o', x=-528.59, y=9.75, z=-303.75]] Chunk stats: ServerChunkCache: 2659 Level seed: 3284591645380937912 Level generator: ID 01 - flat, ver 0. Features enabled: true Level generator options: {} Level spawn location: World: (-96,4,-80), Chunk: (at 0,0,0 in -6,-5; contains blocks -96,0,-80 to -81,255,-65), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1) Level time: 75265 game time, 6000 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 19721 (now: false), thunder time: 92390 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: trueStacktrace: 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: 605823224 bytes (577 MB) / 884920320 bytes (843 MB) up to 5355339776 bytes (5107 MB) JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx5G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M Player Count: 1 / 8; [uw['Creeper_Juice'/140, l=':o', x=-528.59, y=9.75, z=-303.75]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.