Dupe getting stuck

I've also seen this with 2 dupes i have Rowan and Marie. Ive witnessed once during the deconstruction of a tile, the instant the tile was "deconstructed but before it actually popped into an item, Marie then successfully climbed onto the "transitioning" tile at which point the tile popped away and Marie was left standing 1 block in the air looking around until she near suffocated. the "move to" failed due to not having a valid path to move.

 

Seems there is one game tick between finishing a deconstruct and it actually becoming not a tile and in this time the dupe climbs onto it.

As for the getting stuck on ladders i havnt actually witnessed the moment they get stuck only that ive noticed once they were