It’s actually working, but there is no recent activity on that community around the time you add that community, which is why it appear empty. To manually populate your instance with the older posts, try copy pasting the old individual posts you’d like to “pull” in the search page.
It’s actually working, but there is no recent activity on that community around the time you add that community, which is why it appear empty. To manually populate your instance with the older posts, try copy pasting the old individual posts you’d like to “pull” in the search page.