Fatal error: Uncaught Exception: Mailer driver isn't specified in the application's config in /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/classes/core/PKPContainer.php:324 Stack trace: #0 /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/classes/core/PKPContainer.php(275): PKP\core\PKPContainer::getDefaultMailer() #1 /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/classes/core/PKPContainer.php(122): PKP\core\PKPContainer->loadConfiguration() #2 /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/classes/core/PKPApplication.php(228): PKP\core\PKPContainer->registerConfiguredProviders() #3 /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/classes/core/PKPApplication.php(200): PKP\core\PKPApplication->initializeLaravelContainer() #4 /www/wwwroot/e-journal.hamzanwadi.ac.id/classes/core/Application.php(50): PKP\core\PKPApplication->__construct() #5 /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/includes/bootstrap.php(37): APP\core\Application->__construct() #6 /www/wwwroot/e-journal.hamzanwadi.ac.id/index.php(18): require_once('...') #7 {main} thrown in /www/wwwroot/e-journal.hamzanwadi.ac.id/lib/pkp/classes/core/PKPContainer.php on line 324