It may be a specific module or plugin producing the error. I'd personally propose re-installing the Prestashop core files in the event you haven’t already. This is also for security good reasons, so that you can’t make use of the identify admin to be a directory folder name. You should https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html