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 ("TeamSkeet - Cute Little Asian Giving Blowjob On Her Birthday Porn Videos Gorgeous Asian chick Vina Sky is going to be celebrating her twentieth birthday Teamskeet style and we could not be happier. There is nothing that she loves more than sucking a fat cock so she decides to spend the day with a big prick in her mouth.") AND id !=101923 AND date < "2021-06-16 16:27:18" order by RAND() DESC limit 0,24