Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Queue\ShouldQueue' not found in /home/wwseve/public_html/amostra/vendor/laravel/framework/src/Illuminate/Notifications/SendQueuedNotifications.php:14 Stack trace: #0 {main} thrown in /home/wwseve/public_html/amostra/vendor/laravel/framework/src/Illuminate/Notifications/SendQueuedNotifications.php on line 14