MySQL error in file: /engine/modules/show.full.php at line 1057

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 dle_post WHERE id IN(1920,1921,72,537,1919,1922) AND approve=1 ORDER BY FIND_IN_SET(id, '1920,1921,72,537,1919,1922') LIMIT 6