No valid database connection Unknown column 'child_pd.discount_id' in 'on clause' SQL=SELECT GROUP_CONCAT(DISTINCT child.product_id) AS children_id, COUNT(DISTINCT child.product_id) AS children_count, fs_vm_category.products_per_row, fs_vm_category.category_browsepage, fs_vm_category.category_flypage, fs_vm_category.category_id, fs_vm_category.category_name, master_m.manufacturer_id, master_m.mf_name, fs_vm_product.product_name, fs_vm_product.product_id, fs_vm_product.product_parent_id, fs_vm_product.price_product_id, fs_vm_product.product_full_image, fs_vm_product.product_thumb_image, fs_vm_product.product_s_desc, fs_vm_product.product_publish, fs_vm_product.product_in_stock, fs_vm_product.product_sku, fs_vm_product.product_url, fs_vm_product.product_weight, fs_vm_product.product_weight_uom, fs_vm_product.product_length, fs_vm_product.product_width, fs_vm_product.product_height, fs_vm_product.product_lwh_uom, fs_vm_product.product_in_stock, fs_vm_product.product_available_date, fs_vm_product.product_availability, fs_vm_product.product_order_levels, fs_vm_product.mdate, fs_vm_product.cdate, fs_vm_product.quantity_options, fs_vm_product.metakey, fs_vm_product.metadata, fs_vm_product.product_special, child_m.manufacturer_id AS c_manufacturer_id, child_m.mf_name AS c_mf_name, child.product_name AS c_product_name, child.product_id AS c_product_id, child.price_product_id AS c_price_product_id, child.product_full_image AS c_product_fulle_image, child.product_thumb_image AS c_product_thumb_image, child.product_s_desc AS c_product_s_desc, child.product_publish AS c_product_publish, child.product_in_stock AS c_product_in_stock, child.product_sku AS c_product_sku, child.product_url AS c_product_url, child.product_weight AS c_product_weight, child.product_weight_uom AS c_product_weight_uom, child.product_length AS c_product_length, child.product_width AS c_product_width, child.product_height AS c_product_height, child.product_lwh_uom AS c_product_lwh_uom, child.product_in_stock AS c_product_in_stock, child.product_available_date AS c_product_available_date, child.product_availability AS c_product_availability, child.product_order_levels AS c_product_order_levels, child.mdate AS c_mdate, child.cdate AS c_cdate, child.quantity_options AS c_quantity_options, child.metakey AS c_metakey, child.metadata AS c_metadata, child.product_special AS c_product_special FROM fs_vm_product LEFT JOIN fs_vm_product AS child ON child.product_parent_id != 0 AND child.product_parent_id = fs_vm_product.product_id AND child.product_publish = 'Y' AND child_pd.discount_id > 0 LEFT JOIN fs_vm_product_category_xref ON fs_vm_product.product_id = fs_vm_product_category_xref.product_id LEFT JOIN fs_vm_category ON fs_vm_product_category_xref.category_id = fs_vm_category.category_id AND fs_vm_category.category_publish = 'Y' LEFT JOIN fs_vm_product_mf_xref AS master_mf ON master_mf.product_id = fs_vm_product.product_id LEFT JOIN fs_vm_manufacturer AS master_m ON master_m.manufacturer_id = master_mf.manufacturer_id LEFT JOIN fs_vm_product_mf_xref AS child_mf ON child.product_id IS NOT NULL AND child_mf.product_id = child.product_id LEFT JOIN fs_vm_manufacturer AS child_m ON child_mf.manufacturer_id IS NOT NULL AND child_m.manufacturer_id = child_mf.manufacturer_id LEFT JOIN fs_vm_product_price AS master_pr ON master_pr.product_id = IF (fs_vm_product.price_product_id > 0, fs_vm_product.price_product_id, fs_vm_product.product_id) AND master_pr.shopper_group_id IN (5) LEFT JOIN fs_vm_product_price AS child_pr ON child_pr.product_id = IF (child.price_product_id > 0, child.price_product_id, child.product_id) AND child_pr.shopper_group_id IN (5) LEFT JOIN fs_vm_product_discount as master_pd on master_pd.discount_id = master_pr.product_discount_id AND (master_pd.start_date < 1715946226 OR master_pd.start_date = 0) AND (master_pd.end_date >1715946226 OR master_pd.end_date = 0) LEFT JOIN fs_vm_product_discount as child_pd on child_pd.discount_id = child_pr.product_discount_id AND (child_pd.start_date < 1715946226 OR child_pd.start_date = 0) AND (child_pd.end_date >1715946226 OR child_pd.end_date = 0) WHERE (master_pd.discount_id > 0 OR child.product_id IS NOT NULL) AND fs_vm_product.product_parent_id = 0 AND fs_vm_product.product_publish = 'Y' GROUP BY fs_vm_product.product_sku ORDER BY IF (COUNT(DISTINCT child.product_id) = 1, child.product_name, fs_vm_product.product_name) ASC