We have a new Jira space and accompanying Confluence space freshly set up (Company managed). When I try and link them on the "Pages" tab of my Jira board, it only shows the Home Page of that space, but not the proper Page Tree of the Confluence.
How do I show full page tree of linked confluence space in the "Pages" tab of my Jira board?
I have already tried connecting to a different Confluence (where the page tree then works) and then re-connecting to the one I want.

For reference, this is what the Confluence space actually looks like:
