Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Rule" not found in I:\www\frameworks\Laravel\vendor\laravel\framework\src\Illuminate\Validation\ClosureValidationRule.php:7 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\vendor\laravel\framework\src\Illuminate\Validation\ClosureValidationRule.php on line 7