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 ("Stunning Curvy Blonde Runs Her Naughty Finger Porn Videos This blonde is one sultry babe her bra drops and she lays her legs out showing off her mags in sexy ways in front of her webcam she has some amazing views of her body this curvy stunner lays down and runs her fingers over her panties covered pussy she crawls around and ensure you get a gorgeous view of her Brazilian wax job and shows off her booty in her sheer panties") AND id !=102162 AND date < "2021-06-21 20:26:07" order by RAND() DESC limit 0,24