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 ("SEXYMOMMA - Step Sisters Cindy and Lucky in a Three-way with Teen Jackie Porn Videos Coming home from work and meeting her stepsister for drinks was supposed to be innocent Cindy knows that a hard days work needs to end with an orgasm so she has a surprise for her stepsister Lucky Lucky lays back and has her pussy eaten by her stepsister but in walks her stepdaughter who completely freaks out. The only way to shut her up is to eat her pussy too.") AND id !=102399 AND date < "2021-06-23 09:15:57" order by RAND() DESC limit 0,24