1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
in:
[select count(distinct p.products_id) as total from products p left join specials s on p.products_id = s.products_id, products_description pd, manufacturers m, products_to_categories p2c where p.products_status = 1 and p.manufacturers_id = m.manufacturers_id and p.products_id = p2c.products_id and pd.products_id = p2c.products_id and pd.language_id = '1' and p.products_id IN ()]