Why aren't my product thumbnails loading on mobile?

[AliDMitch]

Can anyone assist? My product image thumbnails are not loading on mobile unless the page is refreshed. It sometimes happens on desktop, but always on mobile as of 2 weeks ago

Appreciate any insight.

-Alison

UPDATE: Problem solved!

[AliDMitch · Accepted solution]

Issue solved!

[JCStart]

Can the solution be posted here?