La connexion au serveur MySQL a échoué: php_network_getaddresses: getaddrinfo failed: Name or service not known


Fatal error: Uncaught Error: Call to a member function query() on boolean in /homepages/23/d690099190/htdocs/Deutsch/hotel-gerardmer/histoire.php:15 Stack trace: #0 {main} thrown in /homepages/23/d690099190/htdocs/Deutsch/hotel-gerardmer/histoire.php on line 15