No youtube playlist videos to be found - maybe API key not set ? This is the feed - https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&playlistId=0OtbkAtLw4Gme2gk398n2hACnNr3tiPj&key=AIzaSyC8Xz118b57LvEIx5MxMejH21G9nDoI3vY&maxResults=50