Entered my base through one of my corridore airlocks. Once past the second door.. I take a couple steps the floor disappears. I see ground but I do not fall. I walk down the hall to the next door - open and enter workshop; it has air. I take off helmet and die (no air is the reason but room has air). Reload because I saved before I took helmet off (this has happened several times). Now my whole workshop is invisible. I move through airlocks to my other workshop - floor is there and air present. Take off helmet and die.
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