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 ("Let see how Seth manipulates his stepsis Gia Derza Porn Videos Let see how Seth manipulates his stepsis Gia Derza when their mom died He convinced her not to go to school anymore so they can have more time with each other But Seth just took advantage of the teen cause shes the only one who could scratch his horniness") AND id !=101638 AND date < "2021-06-23 08:03:28" order by RAND() DESC limit 0,24