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 ("Hot ebony chick got fucked hardcore while still on handcuffs Porn Videos Misty kept pleading with him to act like this never happened Mr White proposed consideration for this if Misty maybe sucked on his cock a little This was a no brainer for Misty She utilized her juicy dick sucking lips to leave him feeling real good") AND id !=101663 AND date < "2021-06-13 03:19:32" order by RAND() DESC limit 0,24