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 ("Flexible Kenzie performs a full split while Mark pummels her Porn Videos Kenzie lets thick cocked Mark lay his dick across her entire face before sliding it into her mouth for some hot cock sucking Kenzie performs a full split while Mark pummels her ass See wet rimming a drooling ass to mouth blowjob and hot anal gaping") AND id !=101681 AND date < "2021-06-16 16:25:50" order by RAND() DESC limit 0,24