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 ("Amateur Couple Fucking In Multiple Positions Porn Videos Amateur couple having an amazing sex live on cam. This pretty lovely babe gave her partner a massive deep throat blowjob that made his dick hard and ready to fuck a pussy. He started to fuck this babe from behind while she smash her natural titties that makes her moan like crazy They continue to fuck each other in doggie position till they reached their climax and in the end this babe sit down while his partner goes in front of her masturbating till he explode cum on her partner body.") AND id !=101820 AND date < "2021-06-16 17:44:55" order by RAND() DESC limit 0,24