Images are disappearing from custom post types

Hello, I’m using the ConsultingWP theme & some of the media is missing on custom post types. Re-uploading helps but there is a large number of posts that aren’t showing the featured image.
Hope I’m not alone here.
Here’s the affected page link.

Hi @tazzytaze,

Please contact the author of your purchased theme, the theme author will assist you.

How to contact an author to get support or for any technical query: