Fatal error: Uncaught Error: Class "League\Event\AbstractEvent" not found in /var/www/html/casavio-qa.das24.it/releases/15/vendor/league/event/src/Event.php:5 Stack trace: #0 {main} thrown in /var/www/html/casavio-qa.das24.it/releases/15/vendor/league/event/src/Event.php on line 5