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 ("Pretty Hot Babe Fingering Her Pussy With Vibrator Inside Porn Videos Pretty hot sexy babe gets so horny and teased her viewers by touching her sexy body watch this blonde babe you must watch this video of one of the horniest and wildest babe in the world of porn. This super hot babe will perform a sizzling hot solo masturbation infront of the webcam. She teases us with her beautiful flawless body. She spread her legs widely and start playing her cunt and fingering her pussy until she reached her climax.") AND id !=102191 AND date < "2021-06-23 08:40:59" order by RAND() DESC limit 0,24