Enable time for re-crawling and re-indexing. Understand that it may take quite a few days right after publishing a webpage for Google to locate and crawl it. For general questions on crawling and indexing, check the Google Search crawling and indexing FAQ. Write-up a question during the Google Lookup Central https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html