Fatal error: Uncaught Error: Interface "Illuminate\Validation\DatabasePresenceVerifierInterface" not found in /home/deborapsol/laravel/vendor/laravel/framework/src/Illuminate/Validation/DatabasePresenceVerifier.php:9 Stack trace: #0 {main} thrown in /home/deborapsol/laravel/vendor/laravel/framework/src/Illuminate/Validation/DatabasePresenceVerifier.php on line 9