23 - Out of resources when opening file '/tmp/MYUYbGsp' (Errcode: 24 "Too many open files")

select p2c.categories_id, p.products_id, p.products_status, pd.products_name as product, pd.products_id as product_id from products p LEFT JOIN products_to_categories p2c USING(products_id) LEFT JOIN products_description pd USING(products_id) where pd.language_id = '4' AND p.products_status='1' order by p2c.categories_id, pd.products_name

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