Fatal error: Uncaught Error: Interface "Psr\EventDispatcher\EventDispatcherInterface" not found in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php:19 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa2.das24.it/httpdocs/laravel/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php on line 19