Self hosting your own media considered harmful (according to YouTube...). https://www.jeffgeerling.com/blog/2025/self-hosting-your-own-media-considered-harmful
@michaelgraaf Not sure why it's doing that. I uploaded as .mov accidentally, then I updated the file name to .mp4, and it was briefly playable, but now shows that 'can't be played' message.
If you click the file it works though.