Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Factory" not found in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Validation/Factory.php:11 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Validation/Factory.php on line 11