I ham moving a site from thrive theme builder across to Generatepress with generateblocks and for some reason none of the custom HTML blocks that are in the content are showing on the front end of the site.
example page is: https://staging-simplyelectricals-e23123.kinsta.cloud/best-lavazza-coffee-machines/ where at the bottom where the machines are listed there should be a HTML block showing prices etc.
I compared the section on the GP site and your live site, and it seems there’s one <div> missing from the GP site’s HTML: https://www.screencast.com/t/nbgvwVBIT1
Themes have nothing to do with of the output of such an HTML section, it’s likely having something that didn’t set up correctly.