Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/hamleyazilim/public_html/time.hamleyazilim.com/kimai/src/Event/AbstractTimesheetMultipleEvent.php:18 Stack trace: #0 {main} thrown in /home/hamleyazilim/public_html/time.hamleyazilim.com/kimai/src/Event/AbstractTimesheetMultipleEvent.php on line 18