When i log into my server in the snapshot 19w08b the server crashes!!!

I hope you can resolve it!

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 25/02/19 10.29
Description: 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 uv.a(SourceFile:565)
 at bdf.a(SourceFile:683)
 at uv.a(SourceFile:368)
 at net.minecraft.server.MinecraftServer.b(SourceFile:837)
 at tw.b(SourceFile:342)
 at net.minecraft.server.MinecraftServer.a(SourceFile:776)
 at net.minecraft.server.MinecraftServer.run(SourceFile:634)
 at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
 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 uv.a(SourceFile:565)

-- Entity being ticked --
Details:
 Entity Type: minecraft:llama (anz)
 Entity ID: 17
 Entity Name: Llama
 Entity's Exact location: 144.82, 71.00, 97.63
 Entity's Block location: World: (144,71,97), Chunk: (at 0,4,1 in 9,6; contains blocks 144,0,96 to 159,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
 Entity's Momentum: 0.00, -0.08, 0.00
 Entity's Passengers: []
 Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
 at bdf.a(SourceFile:683)
 at uv.a(SourceFile:368)

-- Affected level --
Details:
 Level name: world
 All players: 1 total; [uw['stiky004'/174, l='world', x=24.48, y=68.80, z=-47.99]]
 Chunk stats: ServerChunkCache: 2025
 Level seed: 3364816019236527861
 Level generator: ID 00 - default, ver 1. Features enabled: true
 Level generator options: {}
 Level spawn location: World: (96,74,97), Chunk: (at 0,4,1 in 6,6; contains blocks 96,0,96 to 111,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
 Level time: 1003701 game time, 1363292 day time
 Level dimension: 0
 Level storage version: 0x04ABD - Anvil
 Level weather: Rain time: 5591 (now: true), thunder time: 47171 (now: false)
 Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
 at net.minecraft.server.MinecraftServer.b(SourceFile:837)
 at tw.b(SourceFile:342)
 at net.minecraft.server.MinecraftServer.a(SourceFile:776)
 at net.minecraft.server.MinecraftServer.run(SourceFile:634)
 at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
 Minecraft Version: 19w08b
 Operating System: Windows 10 (amd64) version 10.0
 Java Version: 1.8.0_201, Oracle Corporation
 Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
 Memory: 2066906648 bytes (1971 MB) / 2939158528 bytes (2803 MB) up to 2939158528 bytes (2803 MB)
 JVM Flags: 2 total; -Xms3072M -Xmx3072M
 Player Count: 1 / 20; [uw['stiky004'/174, l='world', x=24.48, y=68.80, z=-47.99]]
 Data Packs: vanilla
 Is Modded: Unknown (can't tell)
 Type: Dedicated Server (map_server.txt)