It could be a certain module or plugin creating the error. I would advise re-installing the Prestashop core files in the event you haven’t already. By submitting this form, I agree to API2Cart sending me emails with product updates and Unique offers. I'm able to unsubscribe at any time. Analysts https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html