No longer available

Getting the no longer available message, i click to see why on this url.

https://gdata.youtube.com/feeds/api/users/MY_ID/uploads?alt=json&fields=entry(published,title,link,content)&orderby=published&max-results=5&rel=0

Any help would be awesome.

https://www.ads-software.com/plugins/lightweight-youtube-channel-widget/