TileEntity

Completely reinstall the server - also try another directory or other forge builds

I have no idea - maybe an issue with the server directory Exception in thread "main" java.io.UncheckedIOException: cpw.mods.niofs.union.UnionFileSystem$NoSuchFileException: assets

Use Java 17 instead of Java 21 Then add the new crash-report/log

Add the crash-report or latest.log (logs-folder) with sites like https://mclo.gs/ and paste the link to it here

Remove phosphor

Where did you get this mod? Looks like this mod requires another mod to work Caused by: java.lang.ClassNotFoundException: git.jbredwards.nether_api.api.structure.INetherAPIStructureEntry Nether API or similar

Same issue without Into The End - 1.1.jar?

Do you also have chunkloaders active - or forced loaded chunks via FTB Chunks?

Also add the latest.log from your logs-folder

Install Java 17 or 21

Make a test without entity_model_features and entity_texture_features

Also add the latest.log (logs-folder)

In the server.properties, set max-tick-time to -1

Make a test with an older Forge build

Delete the server.properties and test it again

Add the full latest.log (server logs-folder) with sites like https://mclo.gs/ and paste the link to it here

Make a test with another Launcher like MultiMC or AT Launcher

Follow the given solution there: https://www.reddit.com/r/Minecraft/comments/10zzhy0/i_need_help_with_my_minecraft_server/

Start with removing nefsdecomod from the server

Same issue without controllable-forge?

Make sure you are starting the forge server jar (not the minecraft server jar)

Add crash-reports with sites like https://mclo.gs/ Remove attributeslib or try other builds

Replace jei with this build: https://www.curseforge.com/minecraft/mc-mods/jei/files/5846810

Add the crash-report or latest.log (logs-folder) with sites like https://mclo.gs/ and paste the link to it here

Update your AMD/ATI drivers - get the drivers from their website - do not update via system