MySQL error in file: /engine/modules/utop.php at line 12

Error Number: 2006

The Error returned was:
MySQL server has gone away

SQL query:

SELECT * FROM dle_users WHERE user_group IN ('1', '2', '3', '4', '6', '6', '6', '6') AND name != 'nickname1' AND name != 'nickname2' AND name != 'nickname3' AND name != 'nickname4' AND name != 'nickname5' AND name != 'nickname6' AND name != 'nickname7' AND name != 'nickname8' AND name != 'nickname9' order by news_num DESC LIMIT 0,9