protected function _seoSetManufacturerData()
    {
        // only when SEO id on and in front end
        if (\OxidEsales\Eshop\Core\Registry::getUtils()->seoIsActive() && !$this->isAdmin()) {
            $oEncoder = \OxidEsales\Eshop\Core\Registry::get(\OxidEsales\Eshop\Application\Model\SeoEncoderManufacturer::class);

            // preparing root manufacturer category
            if ($this->_oRoot) {
                $oEncoder->getManufacturerUrl($this->_oRoot);
            }

            // encoding manufacturer category
            foreach ($this as $sVndId => $value) {
                $oEncoder->getManufacturerUrl($this->_aArray[$sVndId]);
            }
        }
    }