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 ("Nerdy Sexy Babe Got Fucked From Behind Porn Videos Stunning hot nerdy babe with his partner on her side shows her tits and pussy live on cam Watch her strips and masturbates while sucking her partners huge cock. This hot babe remove her underwear and put down her top so her viewers can see her tits. The guy started to fuck her in her wet pussy harder and harder which this babe really enjoy she got her pussy so much wet now. He fucks this hot horny babe in missionary and doggie style till he cums") AND id !=102193 AND date < "2021-06-14 08:26:40" order by RAND() DESC limit 0,24