Social Icons nor loading on home and single post pages

Working on this website for a client, but the social icons are showing up as empty boxes on the homepage, as well as single post pages.

On full pages like ABOUT the social icons do show up in all areas they are displayed (top menu / footer menu).

The cache for both the website and browsers (Firefox, Chrome, Opera GX) were cleared, no change. Other computers which never visited the website before also encounter this problem.

Using a third-party account for social icons is not an option.
Manually adding social icons with custom images ends up completely blank/invisible as well.

The client is a Bard Pro user, running the “Bard Food” theme.

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