It may be a specific module or plugin leading to the error. I might suggest re-installing the Prestashop core files for those who haven’t already. Do not forget to take care of errors gracefully when Doing work with the PrestaShop API. Be sure to check the status code in the https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html