ERROR: Database connection failed.

File: /home/agatapro/public_html/kayoufun.id/cardlist/app/Core/Database.php:32

Trace:
#0 /home/agatapro/public_html/kayoufun.id/cardlist/app/Core/Database.php(42): App\Core\Database->__construct()
#1 /home/agatapro/public_html/kayoufun.id/cardlist/app/Core/Model.php(19): App\Core\Database::getInstance()
#2 /home/agatapro/public_html/kayoufun.id/cardlist/app/Controllers/PublicSide/HomeController.php(29): App\Core\Model->__construct()
#3 /home/agatapro/public_html/kayoufun.id/cardlist/app/Core/Router.php(227): App\Controllers\PublicSide\HomeController->__construct()
#4 /home/agatapro/public_html/kayoufun.id/cardlist/app/Core/Router.php(107): App\Core\Router->runController('App\\Controllers...', 'cardPage', Array)
#5 /home/agatapro/public_html/kayoufun.id/cardlist/index.php(73): App\Core\Router->dispatch()
#6 {main}