1054 - Unknown column 'final_price' in 'order clause'
SELECT p.products_image, pd.products_name, p.products_model, m.manufacturers_name, p.products_id, p.manufacturers_id, p.products_price, p.products_tax_class_id
from products_description pd, products p, manufacturers m, products_to_categories p2c
WHERE p.products_id = p2c.products_id AND pd.products_id = p2c.products_id AND p.manufacturers_id = m.manufacturers_id AND
p.products_status = '1' AND pd.language_id = '3' AND p2c.categories_id = '115' order by final_price , pd.products_name limit 0, 20