Sidebar appearing below content

I’m not sure how or why this happened, but our site is not showing the sidebar on the side any more. It has moved to displaying below the content. We built pages with Elementor and experimented with different settings for page width and somewhere in that process the sidebar moved down and now I can’t seem to get it back to displaying on the side. Any suggestions? Thanks in advance for any assistance you can provide.

The page I need help with: [log in to see the link]