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 ("Skylar Snows gets caught and fucked again by Horny Officers huge cock Porn Videos This Teen Skylar Snow caught again in the Officer stealing something in the merchandise Then Officer makes a procedure to Skylar until he recovers the stolen item Then afterwards, this horny Officer makes a deal with her he will not call the cops if she could let him fucks her pussy") AND id !=101524 AND date < "2021-06-23 09:27:01" order by RAND() DESC limit 0,24