CAN'T ACCESS MY XFINITY STREAM

I had this issue today. It looks like the app on Samsung devices was updated and simply reinstalling does not work. The new version of the app does not say "beta". I deleted the "beta" app. Then I installed the new xfinity app. I had to reauthenticate the TV. It's working now. 

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@gaineydiva wrote:

I have cleared my cache and uninstalled and reinstalled the app and every time I try to get in I get teh unfortunately stream has stopped message and it's annoying cuz it was working fine last week.  Need help with this ASAP!!!

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error message and error message number?