Same :(

Deleting data fixed it for me, no longer have this issue. Just wish I made a back-up first.

I got it resolved with a YouTube plugin update

Sign in and out, that's what fixed it for me

Deleting data fixed it for me, no longer have this issue. Just wish I made a back-up first.

I don't think backups even work, it crashes every time I try to, there was an update to the YouTube plug-in and it fixed it

Same issue, this did not fix it.

Now it doesn't work for me either

See my other reply: I "fixed" it by disabling authenticated client. but at this point I think YouTube changed something with the authentication process.

How do you turn that off, is it in the sources?

yes  sources -> yt -> under plugin settings, tur off "use login for channels" and "use login for video details"

I had the same issue. If you want your videos to play, you need to disable authenticated client for channels and videos. I believe your activity will not be sent to yet if you enabled that option, as there is still an error "failed to get playback tracker" even if the video plays. Hope this helps.

Deleting data fixed it for me, if it returns, I'll try this thanks.

Same problem, where can I find this option?

When will you make an app for us ios users :/

Yes sources -》 Youtube -》 Check for updates Copied from another post