MODRIČA: VIDEO NOVOSTI

Error type: "Forbidden". Error message: "Requests from referer https://www.googleapis.com/youtube/v3/playlistItems?part=snippet,status&playlistId=PLftesi3hzfDsvpYyzIkZ8ZqtSDa8qJfnX&maxResults=50&key=AIzaSyDjPFfW3qKyyqWVsdUs5WD8R5pZQGt7aRw are blocked." Domain: "global". Reason: "forbidden".

Did you added your own Google API key? Look at the help.

Check in YouTube if the id PLftesi3hzfDsvpYyzIkZ8ZqtSDa8qJfnX belongs to a playlist. Check the FAQ of the plugin or send error messages to support.