Fatal error: Uncaught Error: Interface 'Illuminate\Validation\PresenceVerifierInterface' not found in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Validation\DatabasePresenceVerifierInterface.php:5 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Validation\DatabasePresenceVerifierInterface.php on line 5