I've finished the installation of prestashop, then i am prompt to change my admin directory, but when i transform it by ssh terminal, And that i browse my website …./adminxxx, it fall short to show the background administration pannel? why  Don't forget to take care of errors gracefully when Doing https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html