@andrewsayre I think I found a bug, I am using Maxi Media Player, but I notice when I group 2 devices, like Bureel and Keuken, it is working perfectly. But when I want a third group to join, it disconnect one group everytime. When I do this in the app, it can add 3 and even 4 groups.
This appears to be a custom integration, and support questions should go here: Maxi Media Player or in the GitHub Repo that you installed the software from.
This is where the authors and experts for this software would look to support their customers.