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 ("Aiden Ashley finger fucks Joanna\'s tight snatch Porn Videos Small Hands flips Aiden over shoving his dick into her dripping hole as she eats Joannas pussy Both ladies scream in ecstasy as Small Hands pumps his cock in and out of Aidens sloppy slit while Aiden finger-fucks Joannas tight snatch") AND id !=101952 AND date < "2021-06-21 19:23:22" order by RAND() DESC limit 0,24