Error type: "Forbidden". Error message: "Project 679703669424 is not found and cannot be used for API calls. If it is recently created, enable YouTube Data API by visiting then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry." Domain: "usageLimits". Reason: "accessNotConfigured". Location type: "". Location: "".

    Check in YouTube if the id PL-c6xbN87LPY2emWMy_iXimMuQLrkm52W belongs to a playlist. Check the FAQ of the plugin or send error messages to support.