Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Queue\ShouldQueue" not found in /home2/celtixg1/taxido.celtixgh.com/app/Listeners/NewUserListener.php:9 Stack trace: #0 {main} thrown in /home2/celtixg1/taxido.celtixgh.com/app/Listeners/NewUserListener.php on line 9