Fatal error: Uncaught Error: Interface 'Illuminate\Validation\DatabasePresenceVerifierInterface' not found in D:\xampp7\htdocs\www\nbkm\show_ir\vendor\laravel\framework\src\Illuminate\Validation\DatabasePresenceVerifier.php:9 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_ir\vendor\laravel\framework\src\Illuminate\Validation\DatabasePresenceVerifier.php on line 9