Missing two videos?

I recently set this up on my client’s website. It looked great..until she pointed out that two videos were missing. Do you know why this would be? I have it set to pull from her vimeo username/account all videos. Did I miss something? In case it helps, here is the link: https://www.heartfororphans.com/media/videos/

https://www.ads-software.com/extend/plugins/youtube-simplegallery/