Unexpected error occurred...

Gambio\Shop\Modules\ProductListing\App\Data\ProductListingModelFactory::createListingItemManufacturer(): Argument #2 ($url) must be of type string, null given, called in /home/unterwasserkamera/public_html/shop/catalog/GambioShop/Modules/ProductListing/App/Data/ProductListingMapper.php on line 353