Hey @bmwgolf01. Apple TV is only compatible with 2018, 2019 and 2020 N, R and T models. As your TV is a MU range model, it is not compatible with this app I'm afraid. I would recommend watching it with a different device or TV.
Well I have a Samsung UE40MU6450 ,bought it 2 years ago so now you are telling me to watch Apple TV on a different TV??
Wow what a support! Ok I will buy a new TV but obviously no Samsung