A couple people have run into this problem. Unfortunately, I have not seen any reports of a solution. You may want to email supportintl@dtp-entertainment.com or support@larian.com, if you haven't already.

Can't get into any door, game exits to windows


The path to the rest of Broken Valley is blocked until you do a couple main plot quests, which requires getting indoors. Even if you could bypass that, it would be challenging even reaching the first cave in the fjords to test whether it happened there as well.