MySQL error in file: /engine/modules/coronavirus_page_text.php at line 17

Error Number: 2006

The Error returned was:
MySQL server has gone away

SQL query:

SELECT * FROM `country` a LEFT JOIN `stat` b ON a.id = b.country_id LEFT JOIN `coronavirus_morph` c ON a.`ru` = c.`name` WHERE a.`id` = '656' ORDER BY `date_create` DESC