Incompatible workshop mods conflicting with the current game version.
If you aren't sure how to do this, try temporarily disabling your antivirus entirely before launching the game to see if the error disappears. If it does, you will need to add a permanent exception. 3. Reinstall the Xbox Services
If the error continues, the problem might be with the Xbox app itself, not the game. A powerful community-proven fix is to completely reset the Xbox services.