Paramount+ not able to login

When I go to the Paramount Xfinity site using either the code for the QR code I get the following.

Your account is now activated. Please return to your Xfinity device to start your streaming adventure.

Then the TV never updates it just stays on that screen but changes the activation code.  Using the other method to log into the TV doesn’t work either, but I can log into Paramount site and it works on my iPhone and iPad.