Sorry you’re getting challenges with accessing the admin region. Remember that your admin Listing can have been renamed to whichever you set it – for safety good reasons. This happens through the installation of PrestaShop. In case you’re endeavoring to make use of a generic URL including instance. That is https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html