MySQL error in file: /engine/forum/sources/modules/show.last.php at line 35

Error Number: 1114

The Error returned was:
The table '/tmp/mysql57/#sql_14c8_0' is full

SQL query:

SELECT * FROM dle_forum_topics LEFT JOIN dle_forum_forums ON dle_forum_topics.forum_id = dle_forum_forums.id WHERE dle_forum_forums.access_read regexp '[[:<:]](5)[[:>:]]' GROUP BY last_date DESC LIMIT 6