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 ("Abella licks and fingerbangs Avi Loves pussy Porn Videos Abella moves closer to Avi beginning to use her charms to seduce her and begins talking about the scholarship and how she needs her to help her cheat She agrees and the deal is sealed with some fun on the couch All of Avis wildest fantasies come true as Abella licks her pussy and fingerbangs her") AND id !=101364 AND date < "2021-06-13 02:17:18" order by RAND() DESC limit 0,24