Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES) in /var/www/html/office/category.php:339 Stack trace: #0 /var/www/html/office/category.php(339): PDO->__construct() #1 {main} thrown in /var/www/html/office/category.php on line 339