If your product schema is returning errors you’re gonna really need to get a little bit more forensic to figure out why. "Invalid floating place quantity in property 'selling price' . the issue is presented on all products that look in my property website page. And as an additional bonus, https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html