There seems to be a bug related to playing as one character, exiting the map, then switching to play as another character. It makes the game not work in strange ways.
As I stated in the release notes that is a issue. Log to desktop then get in and make a character.
In my last instance, I tried switching characters twice, and now my character has fallen through the earth (or should I say mars) until it found a bottom. I'm now looking up at the hab module and rocket.
Twice as in log in,out,in,out,in ?
I duplicated this, will fix next version