It may be that the query in includes/modules/pages/specials/header_php_specials_zca_bootstrap.php has been altered
Lines 29-34 should look like this
Code:
$listing_sql =
"SELECT p.products_id, p.products_type, pd.products_name, p.products_image, p.products_price, p.products_tax_class_id, p.products_date_added, p.products_model,
p.products_quantity, p.products_weight, p.product_is_call, p.product_is_always_free_shipping, p.products_qty_box_status, p.master_categories_id,
p.manufacturers_id, m.manufacturers_name
FROM (" . TABLE_PRODUCTS . " p
LEFT JOIN " . TABLE_SPECIALS . " s
ON p.products_id = s.products_id
LEFT JOIN " . TABLE_MANUFACTURERS . " m
ON m.manufacturers_id = p.manufacturers_id
LEFT JOIN " . TABLE_PRODUCTS_DESCRIPTION . " pd
ON p.products_id = pd.products_id
AND pd.language_id = :languageID
)
WHERE p.products_status = 1
AND s.status = 1
ORDER BY s.specials_date_added DESC";
note the line
Code:
FROM (" . TABLE_PRODUCTS . " p
defines an alias for products as p