Sorry, there was a YouTube API error: Access Not Configured. YouTube Data API has not been used in project 235230140162 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/youtube.googleapis.com/overview?project=235230140162 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.
Please make sure you performed the steps in this video
to create and save a proper server API key.