Xfinity OnDemand failing: V301 - Cardio Unavailable?

Weird. I just got the recent software update on my Roamio Basic, so I don't know if this is related or not.



When I try to launch the Xfinity OnDemand app, I get the following pop-up message:



"App Temporarily Unavailable



Cardio is currently unavailable. (V301)



Please try again in a few minutes.



For more info, visit http://ift.tt/1EhAwCY



Searching for the the V301 area on tivo.com (as the link fails), the blame is pointed to Comcast. I'm not convinced...



I don't know why the error message references Cardio.



I restarted my TiVo to see if that had an impact. No change.



Any ideas?



Thanks,



John