The game crashed whilst ticking entity
Error: java.lang.NullPointerException: Ticking entity

---- Minecraft Crash Report -------- Minecraft Crash Report ----// There are four lights!
Time: 21.02.19 18:59Description: Ticking entity
java.lang.NullPointerException: Ticking entity at ahw.a(SourceFile:1049) at ahw.dD(SourceFile:1038) at aic.dD(SourceFile:35) at ahw.h(SourceFile:289) at anw.h(SourceFile:573) at aod.h(SourceFile:83) at uv.a(SourceFile:565) at uv$$Lambda$2585/879370760.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 dtd.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 ahw.a(SourceFile:1049) at ahw.dD(SourceFile:1038) at aic.dD(SourceFile:35) at ahw.h(SourceFile:289) at anw.h(SourceFile:573) at aod.h(SourceFile:83) at uv.a(SourceFile:565) at uv$$Lambda$2585/879370760.accept(Unknown Source)
– Entity being ticked --Details: Entity Type: minecraft:trader_llama (aod) Entity ID: 1877 Entity Name: Lama handlarza Entity's Exact location: -619.26, 62.55, 658.13 Entity's Block location: World: (-620,62,658), Chunk: (at 4,3,2 in -39,41; contains blocks -624,0,656 to -609,255,671), Region: (-2,1; contains chunks -64,32 to -33,63, blocks -1024,0,512 to -513,255,1023) Entity's Momentum: 0.00, -0.01, 0.00 Entity's Passengers: [] Entity's Vehicle: ~_ERROR~ NullPointerException: nullStacktrace: at bdf.a(SourceFile:683) at uv.a(SourceFile:368)
– Affected level --Details: Level name: New hope All players: 1 total; [uw['Falgornus'/46, l='New hope', x=-417.00, y=10.71, z=706.50]] Chunk stats: ServerChunkCache: 4526 Level seed: 1517317 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: {} Level spawn location: World: (18,63,24), Chunk: (at 2,3,8 in 1,1; contains blocks 16,0,16 to 31,255,31), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 8388460 game time, 9607946 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 96062 (now: false), thunder time: 36719 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: falseStacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:837) at net.minecraft.server.MinecraftServer.a(SourceFile:776) at dtd.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:634) at java.lang.Thread.run(Thread.java:745)
– System Details --Details: Minecraft Version: 19w08b 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: 1030603048 bytes (982 MB) / 2986344448 bytes (2848 MB) up to 3221225472 bytes (3072 MB) JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 1 / 8; [uw['Falgornus'/46, l='New hope', x=-417.00, y=10.71, z=706.50]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.