Building Glitch

#1
Hi. Recently when I place a furniture item down on top of another item (e.g. flats over poles), upon reentering the room the pole is found above the flat. Here is a picture example that also throws carpet into the mix:

Upon placing:
before1.png

Upon reentering:
after1.png

I've been having this problem in almost all the rooms I've been building with at least one item or another. It's only specific combinations of furniture items, such as easter eggs on Madame Leota Tables
before2.png after2.png
or even trains on a track
before3.png after3.png
I know they did not always glitch like this because I've used some of these exact item combos before and they used to work fine. I wanted to know if anyone else has also been having this problem. Staff, please fix this problem asap! Thanks!
 
#2
My storage rooms have been doing this too, where like stacked rugs would get moved under some other items that weren't stacked but were lined up, etc. Have had to reorganize rooms since some are worse than others. Been trying to avoid building so I don't have to rebuild over and over
 
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