Popup-picker click to complete before making a judgment where to add?

where can I add a judgment before clicking finish?

Dec.16,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bee8bb-54866.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bee8bb-54866.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?