1) What did you do?
Ghost planned overgrowth soil on top of preplaced artificial soil and, without waiting for overgrowth to be placed, ghost planned artificial soil on top of overgrowth soil ghosts.
2) What happened?
Ghost artificial soil appears on top of already placed artificial soil, dooming construction robots to hover above it forever since they cannot put artificial soil on top of already existing artificial soil
3) What did you expect to happen instead? It might be obvious to you, but do it anyway!
Ghost artificial soil not appearing on tiles that already have artificial soil placed
4) Does it happen always, once, or sometimes?
Every single time