Is your submit or web site about a public celebration? Then, utilize the Occasion sort to markup your metadata. Here's all the fields that you should see when utilizing the Celebration Schema in your publish. "Invalid floating issue number in property 'price' . The problem is offered on all products https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html