sub sub page
After moving content from an existing site, the structure got three layers deep. So now we have something like page/sports/history/members.
But that page 'members' is not shown when you visit the url. It will show history. The route sports/history/members -> page/sports/history/members does exist.
Also the sidebar does not show the items (with various templates, but also vanilla standard). But the unfolding menu does show it.