Hi @momown,
Welcome to the Roku Community!
We appreciate you informing us about this trouble with playing content on Youtube TV.
If you need further assistance with that channel's authentication and functionality, we would recommend reaching out to Youtube TV Support as they would be best able to assist you further. Many channels on Roku are developed and maintained by the channel provider themselves.
You can reach them here: YouTube TV Help (google.com)
If you have any other questions or concerns, please let us know.
Best regards,
Mary
Mary F.
Roku Community Moderator