TileEntity

Replace Journeymap with this build: https://www.curseforge.com/minecraft/mc-mods/journeymap/files/5616347

Make a test without modernfix

Worldedit Forge is currently only available for 1.20.4 and older

Add the new log

Add crash-reports with sites like https://mclo.gs/ Make a test without tinyallies

Delete the fml.toml file in your config folder

Start the server via run.bat file Before, open the user_jvm_args file and remove the # at # -Xmx4G

Same issue without the mod Essential?

Optifine is currently not compatible with forge

There should be always the latest.log in the logs-folder

I have no idea - maybe it is some kind of system related issue

There is an issue with createdeco - make a test without it

Remove @user_jvm_args.txt from the script and replace it with -Xmx4G

I have no idea - maybe an issue with Java Same issue with another Launcher?

Use Java 8 - remove newer versions

And without connectivity?

There are client-side-only mods, but not mentioned Check your mods with this list: https://www.dropbox.com/scl/fi/yeldxfv8ed60e4uflc2fi/Client-Side-Only-Modlist.xlsx?rlkey=8376c5bk7b33je2tad4p3ybrg&st=qf6osvit&dl=0

Same issue without Essential?

There is no link

Make a test with another modpack from curseforge

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

Maybe it is something outside minecraft - an issue with the Internet - I have no idea

Yes

Add this mod: https://www.curseforge.com/minecraft/mc-mods/packet-fixer/files/5631579

It is an issue with mcef-forge