If you have a bugged game, it's best to create and play a new game. Meaning bug fixes may not be fixed in older saved games. Mods get disabled with each game patch and will need to be turned back on. A list of outdated mods/cc can be found at the official forum. The #1 reason for in-game issues is an outdated/broken mods/cc or a mod conflict. As they may not have been updated to work with the current game patch level.
2021) Mods and custom content may no longer work and may cause problems with your games. With the recent patches released - (Sept. Important Note On Game Updates, Mods and CC Game patches are usually released around 10am pacific time. ** Important Disclaimer About Mods and Custom Content
Why Move the Mods Folder to the Desktop? Tips for improved load time when you have a lot of mods/cc Custom Content Not Loading/Appearing In-Game Finding/Installing Custom Content Houses/Lots
Custom Content and Mods (Install/Remove/Organize/Fix)