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 ("Ike Diezel join horny Jasmine penetrating her pussy Porn Videos Ike Diezel hears his stepmom Jasmine masturbating in her room He sneaks in and slides his fingers into her pussy and she could not be happier She turns and around and sucks his cock before getting her pussy penetrated What a loving step mom") AND id !=101617 AND date < "2021-06-13 03:18:26" order by RAND() DESC limit 0,24