1140 - Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
select count(p.products_id) as total, p.products_image, m.manufacturers_name, pd.products_name, pd.products_description, p.products_id, p.manufacturers_id, p.products_price,
p.products_tax_class_id,
IF(s.status, s.specials_new_products_price, NULL)
as specials_new_products_price,
IF(s.status, s.specials_new_products_price, p.products_price)
as final_price from products_description pd, products p
left join manufacturers m
on p.manufacturers_id = m.manufacturers_id
left join specials s
on p.products_id = s.products_id, products_to_categories p2c where p.products_status = '1'
and p.products_id = p2c.products_id
and pd.products_id = p2c.products_id
and pd.language_id = '1' and p2c.categories_id = '66'
