Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in /opt/lampp/htdocs/tsirawmat/app/Notifications/PlacementApprovalRequest.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/tsirawmat/app/Notifications/PlacementApprovalRequest.php on line 9