i have been through this several times, and because of it, I do not get involved in management or reporting any longer, not even the group we are personally involved with (volunteer). My suggestion is to consider setting up a new entity and let the old one die off. With the litigation and other issues which may yet to surface, keep clean of that end. It may well be the old entity has no assets or is allowed to transfer to a successor or similar.
My first one was a club which had done events and fundraising since at least the 1930's. Somewhere in the 70's, the members ignored any paperwork and reporting. I came along on the 80's. The issue for me, was the events were causing significant liability to those putting on the event, and I insisted on doing things correctly. That is when the issues were discovered, counsel retained, and the start clean advice was given and taken to heart.