Welcome to the Community!
Really sorry to hear you're having trouble with the YouTube app.
Does this issue affect any of the other apps?
Do you have any issues with live TV shows or recordings?
Does it happen every time you use the app or just certain times?
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Thanks for getting back to me!
I've checked this with our network team and it's been picked up as a wider issue. Our team are working to get this resolved as soon as possible.
I'm really sorry for the inconvenience.
All the best