We just signed up for Pandora Premium Family plan, and it will not allow us to cast to any of our Google Home devices either. I have a free account that does work fine. Tried all the trouble shooting steps suggested above, but as soon as I click on a device to cast Pandora too, it says "Your session with Device has ended ", it never even began. Then I have to force the app to stop, open the app back up, disconnect it from the device for the music to start playing again on my phone. ... View more