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