MySQL error in file: /engine/modules/show.full.php at line 856

Error Number: 2006

The Error returned was:
MySQL server has gone away

SQL query:

SELECT id, date, short_story, xfields, title, category, alt_name FROM ru_post WHERE id IN(111445,114394,106801,107698,106438,113360,114419,114344,120572) ORDER BY id DESC