"Too Much Stuff Built" Error Message

I've been playing MySims from the MySims Cozy Bundle on the Switch ever since November and I have over 130 hours on this game alone (I haven't touched Kingdom yet).

My goal since getting five stars has been to get every blueprint and costume in the game by befriending every Sim. Easy enough until I ran into the error message that says "Too Much Stuff Built". That makes sense, I have a full town. I throw away the items in my backpack I don't need and that fixes the problem...for a little while. I get the message again and it's discouraging. I evict one of my commercial lots and I spend a few hours without running into the problem again. I save my game and exit out of it on the Switch home screen (in case that makes a difference) before turning my Switch off for the day.

Now I've come back to my game, ready to keep playing after I've apparently fixed my problem, only to get the message again. I have three items in my backpack that I can't even edit because of this error. I go and evict one of my commercial lots and the error...is still there. This must be a bug or glitch, in which case it could be potentially game breaking, but I want to hear others' thoughts. There's a post on Reddit that details this same issue and people have claimed to encounter it before being able to finish their towns.

I'm really happy that the Sims team has decided to make the decision to remaster older side games like this and hope for more in the future! My mom has been a big fan of the games since before I was born and it rubbed off on me. I would like for this to reach the attention of the proper people in charge so it can be looked at and hopefully fixed.