Permit time for re-crawling and re-indexing. Remember that it could just take many days following publishing a web page for Google to find and crawl it. For general questions about crawling and indexing, check the Google Search crawling and indexing FAQ. Write-up a question in the Google Research Central Discussion https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html