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&type=video&videoEmbeddable=true&playlistId=PLCUefVwuyt9dE3JPiAjVKE050OEhPRyLt&key=AIzaSyCOIZpq75uhgp0Rtw21KgsmTJLdkR3uRqw&maxResults=50