Frequent confetti

I have been having an issue with my teen and adult sims frequently throwing confetti.  I see no moodlet to explain it.  It seems to have started after either the royal release or the update.  It happens all of the time with no explanation while my sims are carrying on day by day activities.  The one notification I do get is that the deed of the house is >$250k, and then immediately after, it drops <$250k.  And it happens almost continuously to go back and forth (see photo with notifications).  Also my queen and king sims keep having the purple exclamation mark above her head but again, no obvious moodlet. I have no mods.   I use Mac computer to play.