Fatal error: Uncaught Error: Class "Monolog\Handler\AbstractProcessingHandler" not found in /home/www/aes-demo/api-8.0.0#316/vendor/symfony/monolog-bridge/Handler/ServerLogHandler.php:41 Stack trace: #0 {main} thrown in /home/www/aes-demo/api-8.0.0#316/vendor/symfony/monolog-bridge/Handler/ServerLogHandler.php on line 41