Fatal error: Uncaught Error: Class "Illuminate\Queue\Queue" not found in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Queue\SyncQueue.php:13 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Queue\SyncQueue.php on line 13