1054 - Unknown column 'p.best_price' in 'order clause'

-- Class PDFCatalog.php AddProductsOfCategory() SELECT p.products_id, p.products_quantity, p.products_model, p.products_fsk18, p.products_image, p.products_price, p.products_tax_class_id, p.products_vpe, p.products_vpe_status, p.products_vpe_value, p.products_discount_allowed, pd.products_name, pd.products_description, pd.products_short_description FROM products AS p, products_description AS pd, products_to_categories AS p2c WHERE p.products_id = pd.products_id AND p.products_id = p2c.products_id AND p2c.categories_id = 1674 AND p.products_status = 1 AND pd.language_id = 1 AND p.group_permission_1 = 1 AND p.revised = 1 ORDER BY p.best_price ASC

[ECB SQL Error]