Fatal error: Uncaught Error: Class 'Monolog\Formatter\JsonFormatter' not found in /home/clienti2020/public_html/novaballet.it/vendor/monolog/monolog/src/Monolog/Formatter/LogmaticFormatter.php:19 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/monolog/monolog/src/Monolog/Formatter/LogmaticFormatter.php on line 19