Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Rule" not found in D:\Application\www\CPDB\vendor\laravel\framework\src\Illuminate\Validation\Rules\Enum.php:7 Stack trace: #0 {main} thrown in D:\Application\www\CPDB\vendor\laravel\framework\src\Illuminate\Validation\Rules\Enum.php on line 7