Does anyone else encounter the issue in the screenshot and are there any quick fixes? Have tried reloading the game and changing some settings, to no effect. The empty blue tile there is supposed to be a tunnel that continues to the rest of the mine.
This issue is recurring. Sometimes I return to my mine, only to find that half of it has vanished (not collapsed) and in the place of it I have this. I can walk in there and fall through the world, bouncing up and down and continue (walk/float) through the missing sections to other parts of the mine, but I can't do anything to the tiles that become like this, which is where unfortunately most of my silver is.
This issue has happened in several mines, on different locations, for different things.