had this happen to me too. What worked in the end, was to swim outside the room, and there I was able to complete construction and/or deconstruction, "from the back side".
same here! This is new since the Machinery Update. A, perhaps, related "new Feature" is that I can no longer walk in shallow water. I used to be able to stand in a foot deep water and take a look around. Not anymore! I am swimming with my nose in th…