Fatal error: Uncaught Error: Class 'AppBundle\EventListener\MattermostEventListener' not found in /home/cooplafobq/newplanning/var/cache/prod/ContainerQ6dx2g8/getMattermostEventListenerService.php:8 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/var/cache/prod/ContainerQ6dx2g8/getMattermostEventListenerService.php on line 8