Fatal error: Uncaught Error: Class 'think\queue\FailedJob' not found in /opt/lampp/htdocs/vendor/topthink/think-queue/src/queue/failed/Database.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/vendor/topthink/think-queue/src/queue/failed/Database.php on line 9