Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Validation\Validator' not found in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Validation\Validator.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Validation\Validator.php on line 19