1054 - Unknown column 'p.products_gift' in 'where clause'

select p.products_id, pd.products_name, p.products_price, p.products_tax_class_id, p.products_image, s.specials_new_products_price from products p, products_description pd, specials s where p.products_status = '1' and p.products_gift != 1 and s.products_id = p.products_id and p.products_id = pd.products_id and pd.language_id = '3' and s.status = '1' order by s.specials_date_added DESC

[XT SQL Error]