Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Database\Eloquent\CastsAttributes" not found in C:\xampp\htdocs\gnu_7\g7\app\Casts\AsUnicodeJson.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\gnu_7\g7\app\Casts\AsUnicodeJson.php on line 17