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 ("Stepdad Mr Leblanc used an advanced technology to fulfill his dark desire on Jaye Porn Videos Lucas Frost girlfriend is Mr Leblancs precious step daugter Jaye Mr Leblanc needs Lucas body to fulfill his dark desire on Jaye which requires trading his mind with Lucas using adavanced technology") AND id !=102150 AND date < "2021-06-16 16:59:36" order by RAND() DESC limit 0,24