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 ("DirtyStepSister - Latin Stepsister Chanel Chavez Intense Pussy Anal Fucking Porn Videos Latina stepsister Chanel Chavez din\'t expected that her stepbros cock is that huge She gets her pussy and anal intensely fucked hard and deep like she couldn\'t take it anymore") AND id !=101916 AND date < "2021-06-13 03:22:29" order by RAND() DESC limit 0,24