Hi @beetboxcafehawa Welcome to community!
Did this error message happen recently?
I took a closer look at your Family Plan Pandora accounts and I see a simultaneous stream error message from 11/17/22 when an iPhone and a Sonos device attempted to play at the same time between 10:04am and 10:12am.
Additionally, of the 3 family plan member invites, only 2 have been accepted. The third invitation does not have a Pandora account associated with email address and has not been added to the play. If you need help adding this email, please let me know.
In the meantime, if you continue to receive this error, I'm happy to look into it further. I've enabled a trace on the active Pandora accounts to help investigate further. Please let me know the time and date you receive the error again and I'll have a look.
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