Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Events\Dispatcher' not found in /var/www/html/photolab/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php:19 Stack trace: #0 {main} thrown in /var/www/html/photolab/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php on line 19