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 ("Beautiful Blonde Babe On Her Erotic Exhibition Porn Videos This blonde babe never disappoints her viewers in her every cam shows and this one is no exception here she strips off her bra and panties exposing her perfect perky boobs and cleanly shaven pussy she contain her ample curves she gives a view of her amazing big boobs and firm naked body this uninhibited babe wastes no time starting her strip and tease she will have you panting at the erotic exhibition") AND id !=102448 AND date < "2021-06-23 09:28:00" order by RAND() DESC limit 0,24