Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Events\Dispatcher" not found in /var/www/html/invoice-backendNEWNEWOLD/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php:17 Stack trace: #0 {main} thrown in /var/www/html/invoice-backendNEWNEWOLD/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php on line 17