Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Queue\ShouldQueue" not found in /home2/celtixg1/public_html/script/app/Listeners/SendReservationConfirmationListener.php:11 Stack trace: #0 {main} thrown in /home2/celtixg1/public_html/script/app/Listeners/SendReservationConfirmationListener.php on line 11