Fatal error: Uncaught Error: Call to undefined method PKP\core\PKPContainer::getDefaultMailer() in /var/www/clients/client1/web4/web/lib/pkp/classes/core/PKPContainer.php:275 Stack trace: #0 /var/www/clients/client1/web4/web/lib/pkp/classes/core/PKPContainer.php(122): PKP\core\PKPContainer->loadConfiguration() #1 /var/www/clients/client1/web4/web/lib/pkp/classes/core/PKPApplication.php(228): PKP\core\PKPContainer->registerConfiguredProviders() #2 /var/www/clients/client1/web4/web/lib/pkp/classes/core/PKPApplication.php(200): PKP\core\PKPApplication->initializeLaravelContainer() #3 /var/www/clients/client1/web4/web/classes/core/Application.php(50): PKP\core\PKPApplication->__construct() #4 /var/www/clients/client1/web4/web/lib/pkp/includes/bootstrap.php(37): APP\core\Application->__construct() #5 /var/www/clients/client1/web4/web/index.php(18): require_once('...') #6 {main} thrown in /var/www/clients/client1/web4/web/lib/pkp/classes/core/PKPContainer.php on line 275