User Warning: Query Error:In aggregated query without GROUP BY, expression #2 of SELECT list contains nonaggregated colu

        $this->database()
            ->select('COUNT(s.group_id) AS total_settings, ')
            ->leftJoin(Phpfox::getT('setting'), 's', 's.group_id = setting_group.group_id AND s.is_hidden = 0')
            ->join(Phpfox::getT('module'), 'm', 'm.module_id = s.module_id AND m.is_active = 1');
 
        $aRows = $this->database()
            ->select('setting_group.group_id, setting_group.product_id, setting_group.var_name, product.title AS product_name, language_phrase.text AS language_var_name')
            ->from($this->_sTable, 'setting_group')
            ->leftJoin(Phpfox::getT('product'), 'product', 'product.product_id = setting_group.product_id')
            ->leftJoin(Phpfox::getT('language_phrase'), 'language_phrase', array(
                    "language_phrase.language_id = '" . $langId . "'",
                    "AND language_phrase.var_name = setting_group.var_name"
                )
            )
            ->execute('getSlaveRows');

->group('setting_group.group_id, setting_group.product_id, setting_group.var_name, product.title, language_phrase.text')