conflict with Zedna Custom Dashboard Messages

I installed bbp-private-groups on a multisite and network activated. I was then unable to add/edit dashboard messages on a subsite. Messages continued to display on the dashboard, they just cannot be created or edited: “There has been a critical error on this website.”

When I disable bbp-private-groups I can once again create and edit dashboard messages. Dashboard Messages have been incredibly useful to easily inform the site team of system changes and to track back for when something goes wrong (such as now).

I have also reported this conflict to Zedna as I cannot know which side or both the conflict originates.

We need both of you, hope something somewhere can be fixed!
Thank you.