TileEntity

Get a custom Launcher like FTB App, MultiMC or AT Launcher - search for a modpack and install it

There is no server pack - so you have to remove the client-side-only mods

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

Delete the corail_woodcutter-server.toml file in your config folder If the file is not there, go to the worldsave and check the serverconfig folder

Go to the config folder and delete this file

I have no idea

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

The Java version is not matching 1.16 and older: Java 8 1.17: Java 16 1.18 - 1.20.4: Java 17 1.20.5 and newer: Java 21

Same issue with a new world?

Make a test without Embeddium/Oculus

Also make a test without lightspeed, ferritecore and/or chaosawakens

Same issue without pehkui?

Yes

Cracked Launchers are not supported

Add crash-reports with sites like https://mclo.gs/ Delete the config of valhelsia_structures If there is no change, delete the config again and try other builds of valhelsia_structures

Remove Create:Estrogen

Repeat it for dreadsteel-common.toml

Make a test without byg

Also remove vaultintegrations

Make a test with adding it

Search for YetAnotherConfigLib

Also remove yacl

Delete the curios-common.toml in your config folder

Does it work without it?

Also make a test without ksyxis If there is no change, add the new crash-report