Warning: Undefined array key "contrat" in /var/www/html/contrat/contrat.php on line 3

Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1698] Access denied for user 'contracteur'@'localhost' in /var/www/html/contrat/accesseur/ContratDAO.php:17 Stack trace: #0 /var/www/html/contrat/accesseur/ContratDAO.php(17): PDO->__construct() #1 /var/www/html/contrat/accesseur/ContratDAO.php(40): Accesseur::initialiser() #2 /var/www/html/contrat/contrat.php(6): ContratDAO::detaillerContrat() #3 {main} thrown in /var/www/html/contrat/accesseur/ContratDAO.php on line 17