There are a number of potential causes for YouTube TV to not function, including a sluggish or inconsistent internet connection, an outdated app or browser, server problems, and more.
How do I get YouTube TV to operate on my TV again?
You can try restarting your TV, examining your internet connection, upgrading the app, and deleting your browser's cache and cookies to address YouTube TV issues on your TV.
Why is my Roku unable to run YouTube TV?
A number of factors, including an out-of-date app, a sluggish or inconsistent internet connection, and others, might prevent YouTube TV from functioning on your Roku. To address the problem, you may restart the Roku, update the software, and check your internet connection.
Fix YouTube TV not Working