Video will not load in Sydney

In Youtube I select “share” and then “embed” then I copy the code. When I paste it in Sydney in the Sydney Video widget nothing happens. There is no video. I do not have a link to provide to you at this time because I am still building the site. Can you tell me what I am doing wrong? so that I can load the videos and continue site building. Thank you.
Julia

Hi,

Please try to add only the video link, not the embed code.

Best Regards,
Csaba