Crash juste après que la map soir lancé 1.13

Bonjour après avoir essayer une snapshot sur ma map j'ai désidé de revenir sur la version 1.13 et des que je lance la map le jeu crash juste apres le lancement de la map.

voici le crash report :

---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 13/02/19 16:36
Description: Exception ticking world

java.lang.NullPointerException: Exception ticking world
at tx.a(SourceFile:97)
at tc.a(SourceFile:266)
at td.a(SourceFile:199)
at net.minecraft.server.MinecraftServer.b(SourceFile:747)
at net.minecraft.server.MinecraftServer.a(SourceFile:681)
at dgh.a(SourceFile:131)
at net.minecraft.server.MinecraftServer.run(SourceFile:584)
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 tx.a(SourceFile:97)
at tc.a(SourceFile:266)
at td.a(SourceFile:199)

-- Affected level --
Details:
Level name: Survie
All players: 1 total; [tf['Polzka'/158, l='Survie', x=-1514.03, y=66.00, z=113.37]]
Chunk stats: ServerChunkCache: 626 Drop: 0
Level seed: 7224344384969848448
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (-16,71,113), Chunk: (at 0,4,1 in -1,7; contains blocks -16,0,112 to -1,255,127), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 90655 game time, 90655 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 6421 (now: true), thunder time: 58143 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.b(SourceFile:747)
at net.minecraft.server.MinecraftServer.a(SourceFile:681)
at dgh.a(SourceFile:131)
at net.minecraft.server.MinecraftServer.run(SourceFile:584)
at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
Minecraft Version: 1.13.2
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: 245848424 bytes (234 MB) / 603979776 bytes (576 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
Profiler Position: N/A (disabled)
Player Count: 1 / 8; [tf['Polzka'/158, l='Survie', x=-1514.03, y=66.00, z=113.37]]
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.