In Lunden if you pre-emptively move the jars and blocks for The Demon Odour at the Tithe, before completing the quest line, it bugs out and you're unable to complete the mystery. Some of the blocks spawn on top of the jars towards the entrance and one of the blocks towards the back ends up spawning outside of the moving zone. For the first block it prevents you from moving it all since it appears to catch on the lip of the moving zone.