[Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
java.lang.NullPointerException: null
at org.spongepowered.common.world.WorldManager.setUuidOnProperties(WorldManager.java:1015) ~[WorldManager.class:1.12.2-2838-7.4.7]
at org.spongepowered.common.world.WorldManager.createWorldInfoFromSettings(WorldManager.java:859) ~[WorldManager.class:1.12.2-2838-7.4.7]
at org.spongepowered.common.world.WorldManager.loadAllWorlds(WorldManager.java:793) ~[WorldManager.class:1.12.2-2838-7.4.7]
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:4390) ~[MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:270) ~[nz.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:750) [?:1.8.0_352]
[20:27:25] [Server thread/ERROR] [minecraft/MinecraftServer]: This crash report has been saved to: /home/enderdremurr/Documents/ServerD12/./crash-reports/crash-2023-01-01_20.27.25-server.txt
[20:26:55] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftfo - Pastebin.com Latest.log
---- Minecraft Crash Report ----WARNING: coremods are present: MixinBoote - Pastebin.com Crash report