Fatal error: Uncaught Error: Interface "Illuminate\Validation\DatabasePresenceVerifierInterface" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\laravel\framework\src\Illuminate\Validation\DatabasePresenceVerifier.php:9 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\laravel\framework\src\Illuminate\Validation\DatabasePresenceVerifier.php on line 9