Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Events\Dispatcher' not found in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Events\NullDispatcher.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Events\NullDispatcher.php on line 8