Fatal error: Uncaught Error: Class 'Monolog\Handler\AbstractProcessingHandler' not found in /home/clienti2020/public_html/novaballet.it/vendor/monolog/monolog/src/Monolog/Handler/ProcessHandler.php:27 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/monolog/monolog/src/Monolog/Handler/ProcessHandler.php on line 27