MySQL error in file: /engine/modules/blockpro/block.pro.3.php at line 552

Error Number: 1

The Error returned was:
Can't create/write to file '/var/tmp/#sql_3929_0.MAI' (Errcode: 28)

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 NOT category regexp "[[:<:]](40|41)[[:>:]]" AND MATCH (title, short_story, full_story, xfields) AGAINST ("Sexy Hot Chick Gets a Hard Anal Fuck from Behind Porn Videos Erin is the queen of seduction She will crawl her way up to you and start to reveal her breasts She will even let you film it Then shell make u eat her pussy and goes sucking your dick after that she will bend for u and let you go deep in her ass") AND id !=101945 AND date < "2021-06-24 21:12:05" order by RAND() DESC limit 0,24