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 ("Hot Busty Babe Enjoys Getting Her Pussy licked Porn Videos Hot and good looking kinky couple gets wild and horny Watch these horny babe as she sit down on her partner face letting her partner eat her pussy After that she return the favor to her partner by sucking her partner cock till he cum They lick each others private parts and seem to be enjoying every moment This busty babe gets the time of her life as she enjoys her tight cunt being licked and sucked") AND id !=101770 AND date < "2021-06-13 01:52:59" order by RAND() DESC limit 0,24