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=PLh5SyQNqWvpG3BUJbnd5rP_Afu_-fU47p&key=AIzaSyBJ9g6q7cUJm-fsvMaIWxkm_i2WJ25cNwk&maxResults=50
Gallery wilfran_castillo_playlist does not seem to have any videos.