Xbox1. Played with no issues for a couple of days but after loading my save one evening I found my starter planet had some new ghostly terrain layers and large areas had dissapeared totally.
I had built my base on the original ground level, in a slight depression, with little to no excavation but there was a new ground level (invisible but indicated by plants and rocks floating) above my base, effectively putting the base underground. I could also came upon long straight lines where the terrain simply stopped and I could see down through the planet.
When I used the terrain tool near