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.MAD' (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 ("Bad Ass Chick Fucking Her Pussy With Dildo Porn Videos Bad ass babe with amazing body streaming live online Watch this amazing babe as she strips off her clothes revealing her super hot and sexy body to her viewers online. She licks her tits and gets her toy dildo and begins to suck it like she was sucking a real cock She put the toy dildo on the bed and she begins to rides it fucking her pussy with it while she smash those big round tits. After that she lay down and fuck her self side ways till she reach her climax.") AND id !=101868 AND date < "2021-06-16 17:53:02" order by RAND() DESC limit 0,24