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 ("Gorgeous African Lesbo Couple Have Oiled Up Pussy Party Porn Videos Gorgeous real African lesbian teens with beautiful booty and perky tits make crazy oiled up sex tape Massage kissing dildo orgasm fingering pussy eatin For full scene visit AFRICANLESBIANS") AND id !=102022 AND date < "2021-06-24 21:19:40" order by RAND() DESC limit 0,24