Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Validator" not found in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Validation\Validator.php:23 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Validation\Validator.php on line 23