TileEntity

Always add the full crash-report

Make a test without railcraft

There is an issue with braincell-1.18.jar - try other builds or make a test without it

You can create separate directories: https://minecrafthopper.net/help/guides/changing-game-directory/

I have no idea - maybe one of these: starlight embeddium entityculling modernfix sodium-extra

Make sure you are using the original Launcher If you want to use the non-MicrosoftStoreLauncher, use the Win 7/8 build (which is working with Win 10/11) https://www.minecraft.net/en-us/download/alternative Or a custom Launcher like AT Launcher, MultiMC or Technic Launcher

Is there the same issue without canary?

Maybe add the log of this player (from the client's logs folder)

Try other builds

Same issue without immersiveengineering?

wait ... do not use the tlauncher - this is a cracked launcher - these are not supported

And without Aether?

Remove fancymenu

Add the new log or crash-report

Remove Aether

Make a test without drippyloadingscreen

If you are using ATI/AMD, check for driver updates at their official site If not, add the full crash-report with sites like https://paste.ee/

Looks like techguns and Optifine are conflicting - make a test without Optifine

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

Is this the crash after this issue?

Add the latest.log from your logs-folder

Remove coloredlights from your server

Make a test without Aether

Maybe it is a conflict with another mod (which is not mentioned) or some kind of bug - report it to the creator

Make a test without ModernFix