NBA League Pass not working on Xfinity Stream

I purchased NBA League Pass this evening through my home Xfinity TV box. Works great - has watching the 76ers game.

I needed to move into another room that does not have a TV. I tried to use Xfinity Stream on my iPad to continue watching. No go! I get an error - Subscription Required - TVAPP-00203. Your subscription does not include this channel.

I'm at home, on the same WiFi network.