Fatal error: Uncaught Error: Class 'Monolog\Handler\SwiftMailerHandler' not found in /var/www/api_backup/vendor/symfony/monolog-bridge/Handler/SwiftMailerHandler.php:25 Stack trace: #0 {main} thrown in /var/www/api_backup/vendor/symfony/monolog-bridge/Handler/SwiftMailerHandler.php on line 25