Fatal error: Uncaught Error: Class "APP\core\Application" not found in /www/wwwroot/jurnal/app/lib/pkp/includes/bootstrap.php:63 Stack trace: #0 /www/wwwroot/jurnal/app/index.php(18): require_once() #1 {main} thrown in /www/wwwroot/jurnal/app/lib/pkp/includes/bootstrap.php on line 63