I have an issue here.
I have a course. Participants have been enrolled by the self-enrolment method (I would call this Group 1). And those participants have posted discussion in the forums. And now, we have another cohort coming (I would call this as Group 2) and wanted to restrict the existing forums only for those Group 1 participant. I have created groupings and do the restrictions only for Group 1, However, when I do that, it says "There are no discussion topics yet in this forum".
But if I open it to All Participants, posts can be seen by all.
My question is, how can I restrict this only for Group 1 and they can see their prior posts?