If you call, I can help you with this. Ask for Mark and let them know I asked for you to call me. We don't have much trouble with this, so it's likely some small adjustment.
The original versions of Active Calls and Active Conferences are both still available.
Advanced -> Menu Manager find Active Calls
- Edit it and set the Link and set the value to /app/calls_active/calls_active.php
The original Active Conferences on FusionPBX 5.5 is also still available.
- Edit it and set the Link and set the value to /app/conferences_active/conferences_active.php