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 ("Cheating MILF Kylie Ireland Takes an Extremely Girthy BBC in Her Asshole Porn Videos Cheating MILF and a black dude kiss with each other while her hubby is away He sucks her tits and she suck his dick. Then he fucks her asshole deep in many positions. He cums on her ass. Then her hubby comes") AND id !=101478 AND date < "2021-06-16 16:43:43" order by RAND() DESC limit 0,24