Fatal error: Uncaught mysqli_sql_exception: Unknown database 'hospital' in /var/www/html/pharmacy/hospital/config.php:6 Stack trace: #0 /var/www/html/pharmacy/hospital/config.php(6): mysqli->__construct() #1 /var/www/html/pharmacy/hospital/index.php(6): require_once('...') #2 {main} thrown in /var/www/html/pharmacy/hospital/config.php on line 6