The class was missing as a result that the composer was unable to update and the site returned a 500 error
```
$ composer update
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Nothing to install or update
Package guzzle/guzzle is abandoned, you should avoid using it. Use guzzlehttp/guzzle instead.
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover
In Asset.php line 30:
Declaration of App\Models\Asset::save($params = Array) should be compatible
with Illuminate\Database\Eloquent\Model::save(array $options = Array)
Script @php artisan package:discover handling the post-autoload-dump event returned with error code 1
```
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