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(24271,25766,25494,25785,25558,25802,25556,25550,25549) ORDER BY id DESC