1054 - Unknown column 'p.manufacturers_id' in 'on clause'

select count(distinct p.products_id) as total from products p, categories c, products_to_categories p2c left join manufacturers m on p.manufacturers_id = m.manufacturers_id left join products_description pd on p.products_id = pd.products_id and p.products_fsk18!=1 and pd.language_id = '1' where c.categories_status=1 and p.products_id = p2c.products_id and c.categories_id = p2c.categories_id and products_status = '1' order by p.products_date_added DESC

[TWE SQL Error]