Note that encouraged properties are not an error, but a warning, and shouldn't impact rich results displaying. Providing them would enable your schema markup, And that's why They may be proposed. Phase four: The module installation process is super easy, how module configuration works is usually observed within the demo https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html