Fatal error: Uncaught mysqli_sql_exception: No such file or directory in /var/www/html/database.php:6
Stack trace:
#0 /var/www/html/database.php(6): mysqli_connect()
#1 /var/www/html/index.php(6): include('...')
#2 {main}
thrown in /var/www/html/database.php on line 6