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 ("TeenyBlack - Ebony Hottie Fucks For The First Time On Cam Porn Videos A thick black chick like Sommer Isabella could get paid in many different ways but she chose the most fun on porn. She was already being slutty in her everyday life so she decided she might as well get paid for it.") AND id !=101922 AND date < "2021-06-23 08:33:59" order by RAND() DESC limit 0,24