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 ("Lesbians looking a bit dishevelled from sex Porn Videos India Summer meets Sabina Rouge for the first time Sabina is standing there looking naturally sultry Her eyes have an entrancing quality that seems to call to India Indias eyes cant help but to trail over her body India licks her lips looking aroused") AND id !=102382 AND date < "2021-06-23 08:12:48" order by RAND() DESC limit 0,24