Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] No such file or directory in /var/www/html/wms/database_connection.php:4 Stack trace: #0 /var/www/html/wms/database_connection.php(4): PDO->__construct() #1 /var/www/html/wms/login.php(4): include('/var/www/html/w...') #2 {main} thrown in /var/www/html/wms/database_connection.php on line 4