MySQL Error Occured

Error Message:
1054: Unknown column 'I.disabled' in 'where clause'

SQL:
SELECT I.productId, I.image, I.price, I.name, I.sale_price FROM CubeCart_inventory AS I INNER JOIN CubeCart_category AS C ON C.cat_id = I.cat_id WHERE I.disabled != '1' AND I.showFeatured = '1' AND I.cat_id > 0 ORDER BY I.productId DESC LIMIT 6