Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Database\Eloquent\Castable" not found in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Casts/AsStringable.php:9 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Casts/AsStringable.php on line 9