1030 - Got error 28 from storage engine

select distinct p.products_id, pd.products_description, p.products_image, p.products_price, p.products_tax_class_id, p.products_date_added, p.products_ordered, pd.products_name, s.specials_new_products_price from products p left join specials s on p.products_id = s.products_id, products_description pd, products_to_categories p2c, categories c where p.products_status = '1' and p.products_ordered > 0 and p.products_id = pd.products_id and pd.language_id = '1' and p.products_id = p2c.products_id and p2c.categories_id = c.categories_id and '20' in (c.categories_id, c.parent_id) order by RAND() limit 3

[TEP STOP]