в ../catalog/controller/feed/yandex_market.php
$allowed_tags = array_merge($allowed_tags, array('aliases'=>0, 'additional'=>0, 'description'=>0, 'sales_notes'=>0, 'promo'=>0, 'manufacturer_warranty'=>0, 'country_of_origin'=>0, 'downloadable'=>0, 'adult'=>0, 'barcode'=>0));
на
$allowed_tags = array_merge($allowed_tags, array('aliases'=>0, 'additional'=>0, 'description'=>0, 'sales_notes'=>0, 'promo'=>0, 'manufacturer_warranty'=>0, 'country_of_origin'=>0, 'downloadable'=>0, 'adult'=>0, 'barcode'=>0, 'model'=>0));
