Fatal error: Uncaught Error: Call to a member function query() on null in /home/webcgriskq/www/BookSearch/Livres.php:3 Stack trace: #0 /home/webcgriskq/www/BookSearch/Recherche.php(14): include() #1 {main} thrown in /home/webcgriskq/www/BookSearch/Livres.php on line 3