Not sure what happened but posts display the archive page now. When I try to view an individual post, the only thing I can view is the full list of posts.
So far I’ve disabled / activicated my theme, deleted the .htaccess file, changed the permalink settings.
The only I can get to change is when selecting “default” for the permalink setting. I can get the posts to show but all the other pages loose their url paths to css files, etc…