That suggests a network issue, but only suggests it, it doesn’t confirm it. I’d try a network refresh, to test. Unplug all Sonos devices from power (or shut them down completely, if they are batttery powered), as well as your controller device, an iPad in this case, but for others reading this, it might be something else. Then reboot your router. Give the router a couple of minutes to come back up, then plug back in / power up all the Sonos devices, and finally the controller device (the iPad).
Wait a couple of minutes further for them to all load their various OS, then test.
I’d double check all devices, both Sonos and iOS iPad , for updates, too.
If this doesn’t resolve the issue, I would recommend that you submit a system diagnostic within 10 minutes of reproducing the issue, and call Sonos Support to discuss it. Don’t post the resulting diagnostic number here.
There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.
When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.
