Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Events\Dispatcher" not found in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Events\Dispatcher.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Events\Dispatcher.php on line 20