Error 1057 en virtuemart  

Al entrar en virtuemart en algunos artículos nos da un error 1057 con el siguiente codigo...Como puedo solucionar esto?

Gracias

1054
ERROR: 1054
Unknown column 'min(ordering)' in 'field list' SQL=SELECT p.`virtuemart_product_id` as id, `#__virtuemart_products`.`product_parent_id`, `#__virtuemart_products`.`created_on`, `#__virtuemart_products`.`product_special`, GROUP_CONCAT(`#__virtuemart_product_categories`.`virtuemart_category_id` SEPARATOR ',') as categories, `#__virtuemart_product_categories`.`virtuemart_category_id` as category_id, i.`file_url` as thumbnail, pr.virtuemart_product_price_id, pr.product_price, pr.override, pr.product_override_price, pr.product_tax_id, pr.product_discount_id, pr.product_currency FROM `#__virtuemart_products_es_es` as p LEFT JOIN `#__virtuemart_products` ON `#__virtuemart_products`.`virtuemart_product_id` = p.`virtuemart_product_id` LEFT JOIN `#__virtuemart_product_categories` ON p.`virtuemart_product_id` = `#__virtuemart_product_categories`.`virtuemart_product_id` LEFT JOIN (SELECT * FROM `#__virtuemart_product_medias` t LEFT JOIN ( SELECT `virtuemart_product_id`, `min(ordering)` as minordering FROM `#__virtuemart_product_medias` GROUP BY `virtuemart_product_id`) xx ON t.`virtuemart_product_id` = xx.`virtuemart_product_id1` and t.`ordering` = xx.`minordering`) as md ON p.`virtuemart_product_id` = md.`virtuemart_product_id` LEFT JOIN `#__virtuemart_medias` as i ON md.`virtuemart_media_id` = i.`virtuemart_media_id` LEFT JOIN `#__virtuemart_product_prices` as pr ON p.`virtuemart_product_id` = pr.`virtuemart_product_id` WHERE ( `#__virtuemart_product_categories`.`virtuemart_category_id` IN (81,82,88,83,84,86,85,89) AND `#__virtuemart_products`.`published`="1" ) GROUP BY id ORDER BY `#__virtuemart_products`.`modified_on` asc LIMIT 4

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