array(4) {
  ["type"]=>
  int(1)
  ["message"]=>
  string(510) "Uncaught mysqli_sql_exception: Connection refused in /var/www/html/client/rental_mobil/classes/RootController.php:120
Stack trace:
#0 /var/www/html/client/rental_mobil/classes/RootController.php(120): mysqli->__construct()
#1 /var/www/html/client/rental_mobil/classes/RootController.php(68): RootController->initializeMySQLi()
#2 /var/www/html/client/sys_custom/core/CodeIgniter.php(133): RootController->__construct()
#3 /var/www/html/client/rental_mobil/index.php(209): require_once('...')
#4 {main}
  thrown"
  ["file"]=>
  string(60) "/var/www/html/client/rental_mobil/classes/RootController.php"
  ["line"]=>
  int(120)
}