Warning: Undefined variable $dbManager in /home/www/discount/about/cookies.php on line 13

Fatal error: Uncaught TypeError: creationPanier(): Argument #1 ($dbManager) must be of type DBManager, null given, called in /home/www/discount/about/cookies.php on line 13 and defined in /home/www/discount/require/fonctions_panier.php:21 Stack trace: #0 /home/www/discount/about/cookies.php(13): creationPanier(NULL) #1 {main} thrown in /home/www/discount/require/fonctions_panier.php on line 21