YouTube API ERROR, Go to the Youtube API Console on Google Cloud and remove any restrictions on the API key, Then edit the current page and click on the Update/Save button to re-connect to the YouTube servers to load the videos.
Requests from referer https://www.googleapis.com/youtube/v3/videos?part=snippet%2CcontentDetails&id=nV2bhcK_KVs&key=AIzaSyDVkz1k2NmcEGj-R1I-42LWljz6kDtfMv8 are blocked.