MySQL Error Occurred

Error Message:
1054: Unknown column 'saleItems' in 'where clause'

SQL:
SELECT DISTINCT(I.productId), C.cat_id, I.productCode, I.quantity, I.description, I.image, I.price, I.name, I.popularity, I.sale_price, I.stock_level, I.useStockLevel FROM CubeCart_cats_idx AS C INNER JOIN CubeCart_inventory AS I ON C.productId = I.productId WHERE I.disabled = '0' AND C.cat_id > 0 AND C.cat_id = saleItems GROUP BY I.productId ORDER BY price ASC, name ASC