Fatal error: Uncaught Error: Class "Monolog\Handler\RollbarHandler" not found in /home/alterna/private_assets.alternalab.it/vendor/rollbar/rollbar-laravel/src/MonologHandler.php:7 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/vendor/rollbar/rollbar-laravel/src/MonologHandler.php on line 7