So I set up the repaint manager but it keeps telling me that's it's the wrong file but I have taken the path that I am supposed to take, I don't understand why it doesn't work the path I have taken is D:\SteamLibrary\steamapps\common\Train Sim World 2 there is a screenshot just in case
Have you created any liveries yourself? If so do you see them in the right hand box of the livery designer program?
If you're still having issues. Just create something quick, save it, then see if it appears in the right hand box. If it does, you’ll know the file path is set up properly.