When the Practice Potty is dirty, and I would go to click "Polish to perfection" It is unavailable, reading that a trash can is needed for the interaction, However, In my sims kitchen I have the nano...
Ideas
I've had this issue on Mac and PC (laptop) for forever with anything that requires a trash can. Multiple saves, different lots, all with SEVERAL trash cans on the lot that are fully accessible. Game is always up to date and this happens with or without mods installed.