Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Queue\ShouldQueue" not found in /home/foodzizr/public_html/platform/plugins/newsletter/src/Listeners/AddSubscriberToSendGridContactListListener.php:10 Stack trace: #0 {main} thrown in /home/foodzizr/public_html/platform/plugins/newsletter/src/Listeners/AddSubscriberToSendGridContactListListener.php on line 10