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 ("Huge Tits Babe Playing Her Cunt On Cam Porn Videos Hottie sexy babe makes her pussy soaking wet as she strokes her dildo deep inside her tight pussy and masturbated hard till she reaches orgasm take a look at her soaking wet pussy in front of her cam. She shake her big booty and she is so fucking sexy in the whole video she grabbed her favorite sex toy she plays with it she lick and suck it like its a real cock.") AND id !=102156 AND date < "2021-06-24 22:02:08" order by RAND() DESC limit 0,24