Fatal error: Uncaught TypeError: Argument 1 passed to Adhesionmanager::setDb() must be an instance of PDO, null given, called in /htdocs/fr/models/class/Adhesionmanager.php on line 11 and defined in /htdocs/fr/models/class/Adhesionmanager.php:171 Stack trace: #0 /htdocs/fr/models/class/Adhesionmanager.php(11): Adhesionmanager->setDb(NULL) #1 /htdocs/fr/controler/adherer_cnt.php(18): Adhesionmanager->__construct(NULL) #2 /htdocs/fr/index.php(8): require_once('/htdocs/fr/cont...') #3 {main} thrown in /htdocs/fr/models/class/Adhesionmanager.php on line 171