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 ("Emily Willis grinds her wet pussy over Alana\'s face Porn Videos Alana start kissing Emily until they heated up She spreads her legs and goes down to her cunt and eats her pussy Emily hops over Alanas face and grinds her pussy while Alana plays her clit with her tongue Emily drips all the juices her pussy produce") AND id !=102406 AND date < "2021-06-16 16:19:19" order by RAND() DESC limit 0,24