Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/html/aa0010a/library/functions3.php:512 Stack trace: #0 /var/www/html/aa0010a/library/functions3.php(512): mysqli->__construct() #1 /var/www/html/aa0010a/library/header.php(83): selector() #2 /var/www/html/aa0010a/index.php(2): include_once('...') #3 {main} thrown in /var/www/html/aa0010a/library/functions3.php on line 512