Fatal error: Uncaught Error: Class "CalendarBundle\Event\Event" not found in C:\xampp\htdocs\projet-GMAO\vendor\tattali\calendar-bundle\src\Event\CalendarEvent.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\projet-GMAO\vendor\tattali\calendar-bundle\src\Event\CalendarEvent.php on line 16