It may be a certain module or plugin creating the error. I'd personally advise re-installing the Prestashop core files for those who haven’t already. This can be a best in good shape for developers trying to automate workflows and enhance operations for eCommerce merchants. Vladyslava Vashchynska On the planet of https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html