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 ("Horny Babe Fucks Herself with a Dildo and Squirts Porn Videos This hot Asian babe got a gorgeous and flawless body. Watch her as she gets horny and filmed herself on cam while stripping and fucking her pussy with her dildo. This pretty hot babe starts to strips her clothes off infront of her webcam. Then she laydown and spreads her legs infront of her cam giving her viewers a perfect view of her pussy. After that she rubbed her cunt fast and begin to fucked herself with her fingers and her huge toy dildo") AND id !=101831 AND date < "2021-06-16 16:48:00" order by RAND() DESC limit 0,24