This sometimes happens when youtube changes something, usually fixed after some days.
This sometimes happens when youtube changes something, usually fixed after some days.
I use https://syncthing.net/ . There is an android app on F-droid.
They got Spore right.
A good backup is to install Seal and share the video to it to download. Seal seems to keep an updated version of yt-dlp that has not failed for me yet. It’s just not for subscriptions and multiple downloads.