MySQL error in file: /base/modules/blockpro/block.pro.3.php at line 564

Error Number: 1021

The Error returned was:
Disk full (/tmp/#sql-temptable-1dd-3ac4e8-39.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")

SQL query:

SELECT p.id, p.autor, p.date, p.short_story, p.full_story, p.xfields, p.title, p.category, p.alt_name, p.allow_comm, p.comm_num, p.fixed, p.tags, e.news_read, e.allow_rate, e.rating, e.vote_num, e.votes from dle_post p LEFT JOIN dle_post_extras e ON (p.id=e.news_id) where approve AND category regexp "[[:<:]](12)[[:>:]]" order by rating DESC, comm_num DESC, news_read DESC limit 18,12