MySQL error in file: /engine/modules/CinemaApi/inc/shortcodes.php at line 448

Error Number: 23

The Error returned was:
Out of resources when opening file '/var/tmp/#sql_5fb_232.MAD' (Errcode: 24)

SQL query:

select id,title,alt_name,xfields,category,season,epsoide,year,date from dle_post where serie_id='742' group by season ORDER BY season DESC