Fatal error: Uncaught Error: Class "OCA\Talk\Middleware\Attribute\RequireParticipant" not found in /home/tzuovhm/tzuovhm/apps_/spreed/lib/Middleware/Attribute/RequireFederatedParticipant.php:19 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/spreed/lib/Middleware/Attribute/RequireFederatedParticipant.php on line 19