@wahini2024 , City Living didn't really add an element of fighting , just an element of your neighbors barging into your apartments (like the character Kramer does on the TV show Seinfeld) or being noisy (as anyone who has every lived in an apartment will understand). ๐
The one city that has a larger frequency of fighting is Windenburg, which came with the Get Together EP.
Also, if you have Seasons, if the minor holiday called Neighborhood Brawl pops up, Sims will be more likely to get into fights. However, If you notice that holiday on the calendar before it starts, you can delete that holiday if you want! ๐
There is a lot of taunting and possible fighting if your have Discover University and the other Sims are from the rival school.
Sims will also tend to keep doing activities or interactions that you have them do (I know this is not your case) or that they have done before.
Also, though I doubt you are doing this, there are certain foods that can make your Sims angry, flirty, energized , etc. (But they can only be made by someone who already has that mood).
Even though it might not me your CC, I've seen people with outdated CC have weird things happen in their game. It is best to test to see if your CC is the problem.
Remove your Mods folder to a safe place like your Desktop
Delete the localthumbcache.package file from your game folder (found in Documents > Electronic Arts >The Sims 4 folder.) This is very important as this localthumbcache.package file can hold bits of corrupted data, even if you get rid of any outdated Mods or CC.
It can't hurt to repair your game. Fix you game in Origin by logging in and go to Library, then right-click on The Sims 4 and choose the "Repair Game" option from the list. Wait until Origin finishes repairing all your packs and not just the base game (unless you have a Mac , in which case it will only repair the base game).
Check your game to see if the problem still persists. If it doesn't then it was the CC/Mod that caused the problem. You can add your CC/Mods back one at a time and check the game to see which one causes the problem. If you have a lot of CC you can test in batches (the 50/50 Method). Once you find the outdated CC item, you should delete it and go back to where you got it from to see if they have an updated version and then put that into your game. ๐
Also keep in mind that older save files will start being glitchy. I don't' know if this file you are playing is an old one or one that is brand new, so it is just something to keep in mind.๐
Please update us on your situation. ๐