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 ("Super cute blondie Kenzie Reeves plays with her fit tan body Porn Videos Super cute Kenzie Reeves plays with her fit tan body in a baby blue bikini She lets thick cocked Mark Wood lay his dick across her entire face before sliding it into her mouth for some hot cock sucking Mark slaps her ass and lays her on the couch") AND id !=101498 AND date < "2021-06-23 08:26:58" order by RAND() DESC limit 0,24