Database error

MySQL server has gone away

Occured in line 4 of /var/www/apteka24-podolsk.ru/www/includes/hits.php

Query was:

SELECT productID, ss_products.name, Price, ss_products.picture, items_sold, ss_products.hurl, ss_categories.enabled, ss_products.in_stock FROM ss_products RIGHT JOIN ss_categories USING (categoryID) WHERE ss_products.enabled='1' AND ss_categories.enabled='1' GROUP BY ss_products.name ORDER BY customer_votes DESC LIMIT 30