1052 - Column 'products_id' in field list is ambiguous

select count(products_id) as total from products_description pd, products p left join komponist_info ki on p.komponist_id = ki.komponist_id, products_to_categories p2c left join specials s on p.products_id = s.products_id, art a where p.products_status = '1' and p.products_id = p2c.products_id and pd.products_id = p2c.products_id and pd.language_id = '2' and ki.languages_id = '2' and p.art = a.art_id and p2c.categories_id = '286' ORDER BY a.sort, ki.nachname, pd.products_name

[XT SQL Error]