Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Queue\ShouldQueue' not found in /home/alkhabee/public_html/platform.alkhabeer.org/app/Jobs/MailNotificationQueue.php:14 Stack trace: #0 {main} thrown in /home/alkhabee/public_html/platform.alkhabeer.org/app/Jobs/MailNotificationQueue.php on line 14