Google mini (chromecast error)

Brand new to Hubitat - just unpacked a few hours ago. I managed to synch the google home and a Samsung multipurpose sensor. I set it up to "alarm" when the basement door is open to a few minis and turn on 2 lights. One light comes on, the other AFTER I clear the alert. The "Basement door is open" announcement worked once or twice then stopped and I Saw these errors just keep rolling in.
I also set up a rule that will say the same thing every minute- still nothing.

As I am not a code or real techie type (yet) I probably missed something obvious. Any ideas would be gratefully appreciated. Here is some of what was rolling by:

app:82019-04-05 12:11:51.563 am warnAlert Intrusion Basement Door open
dev:352019-04-05 12:11:50.184 am errorsu.litvak.chromecast.api.v2.ChromeCastException: Unable to load media (runQ)
dev:352019-04-05 12:11:48.738 am errorsu.litvak.chromecast.api.v2.ChromeCastException: Unable to load media (runQ)

Are you using HSM or Rule Machine ??

I was trying both. It worked initially with HSM but stopped. Never worked with rule machine. Now. Not even the speaker selection where the minis can be seen with various selections will cause speech.