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

select distinct p.products_model, pd.products_name, m.manufacturers_name, p.products_quantity, p.products_shippingtime, p.products_fsk18, p.products_image, p.products_weight, pd.products_short_description, pd.products_description, m.manufacturers_id, p.products_id, pd.products_name, p.products_price, p.products_ws_usk, p.products_date_available, p.products_tax_class_id from products p left join manufacturers m using(manufacturers_id), products_description pd left join specials s on p.products_id = s.products_id, categories c, products_to_categories p2c where p.products_status = '1' and p.products_fsk18!=1 and p.products_id = pd.products_id and pd.language_id = '2' and p.products_id = p2c.products_id and p2c.categories_id = c.categories_id and p.products_date_available > now() and p2c.products_id = p.products_id and p2c.products_id = pd.products_id and (p2c.categories_id = '278' or p2c.categories_id = '279' or p2c.categories_id = '280' or p2c.categories_id = '281' or p2c.categories_id = '282' or p2c.categories_id = '283' or p2c.categories_id = '284' or p2c.categories_id = '293') group by pd.products_name order by pd.products_name

[XT SQL Error]