When I publish **SHOPS** __&__ TRENDS I get the error below on web site. What should I do?
1064
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') AND contentR.product_in_stock > 0 ORDER BY contentR.' at line 40 SQL=SELECT DISTINCT content.virtuemart_product_id AS id, content.product_name AS title, content.product_desc AS text, contentR.modified_on AS date, contentR.created_on AS date_publish, contentR.product_special AS featured, manufacturer.mf_name AS manufacturer, manufacturer.virtuemart_manufacturer_id AS manufacturer_id FROM ok80p_virtuemart_products_en_gb AS content LEFT JOIN ok80p_virtuemart_product_categories AS category ON category.virtuemart_product_id = content.virtuemart_product_id LEFT JOIN ok80p_virtuemart_product_manufacturers AS manufacturer_x ON content.virtuemart_product_id = manufacturer_x.virtuemart_product_id LEFT JOIN ok80p_virtuemart_manufacturers_en_gb AS manufacturer ON manufacturer_x.virtuemart_manufacturer_id = manufacturer.virtuemart_manufacturer_id LEFT JOIN ok80p_virtuemart_products AS contentR ON contentR.virtuemart_product_id = content.virtuemart_product_id LEFT JOIN ok80p_virtuemart_product_shoppergroups AS psgroup ON psgroup.virtuemart_product_id = content.virtuemart_product_id LEFT JOIN ok80p_virtuemart_shoppergroups AS sgroup ON sgroup.virtuemart_shoppergroup_id = psgroup.virtuemart_shoppergroup_id WHERE contentR.product_parent_id = 0 AND contentR.published = 1 AND ( category.virtuemart_category_id = ) AND contentR.product_in_stock > 0 ORDER BY contentR.created_on DESC LIMIT 0,8;