Fatal error: Uncaught TypeError: mysqli_close(): Argument #1 ($mysql) must be of type mysqli, PDO given in /home/web/lcformat/www/espace-candidat/index.php:192 Stack trace: #0 /home/web/lcformat/www/espace-candidat/index.php(192): mysqli_close() #1 {main} thrown in /home/web/lcformat/www/espace-candidat/index.php on line 192