I was admiring my factory with the Hide UI shortcut (ctrl + shift + F4), and I left the game and looked at the main menu and tried the same shortcut. It sent the entire screen black and also muted some game audio. I think that it would make more sense to just hide the menu but leave the game ...

I received an error message after quitting the game so I am posting it here. After clearing out some biter nests (present in the Sp19 expanding save) I returned to my base, saved a new save (solid fuel), quit to main menu, then quit the game via the menu button. It was here then that I encountered ...