It could be a certain module or plugin causing the error. I'd personally recommend re-installing the Prestashop Main files in case you haven’t already. To deliver the best experiences, we use systems like cookies to store and/or obtain device information. Consenting to these technologies will allow us to process facts https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html