It could be a specific module or plugin resulting in the error. I would propose re-installing the Prestashop Main files for those who haven’t already. Don't forget to manage errors gracefully when Doing work with the PrestaShop API. Make sure you check the status code with the reaction and handle https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html