MySQL error in file: /engine/modules/relatedcatpais.php at line 30

Error Number: 2006

The Error returned was:
MySQL server has gone away

SQL query:

SELECT id, name, xfields, alt_name, MATCH (name, xfields) AGAINST ('Tablet Filling Machines') as score FROM dle_category WHERE MATCH (name, xfields) AGAINST ('Tablet Filling Machines' IN BOOLEAN MODE) AND id !='14669' LIMIT 5