Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Queue\ShouldQueue" not found in /home/mvcspco/public_html/app/Listeners/Backend/UserCreated/UserCreatedNotifySuperUser.php:8 Stack trace: #0 {main} thrown in /home/mvcspco/public_html/app/Listeners/Backend/UserCreated/UserCreatedNotifySuperUser.php on line 8