After I place one item the next item I select won't place, it flips back to where it was previously, or is carries around by my mouse indefinitely. I found by clicking a different tool across the top...
Ideas
What info do you need? I'm having this exact same issue just started happening when I built a new house. I can make a few changes but eventually I try to move a platform or stairs and it 'breaks' build mode, and then i cant save in that state