Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Queue\ShouldQueue' not found in /home/wekonact/starlink.wekonact.com/app/Jobs/PlaceBuyOrderJob.php:15 Stack trace: #0 {main} thrown in /home/wekonact/starlink.wekonact.com/app/Jobs/PlaceBuyOrderJob.php on line 15