Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/html/panel/assets/file/connection.php:8
Stack trace:
#0 /var/www/html/panel/assets/file/connection.php(8): mysqli_connect()
#1 /var/www/html/includes/header.php(2): include('...')
#2 /var/www/html/index.php(1): include('...')
#3 {main}
thrown in /var/www/html/panel/assets/file/connection.php on line 8