Database Configuration Assistant delete Oracle database has been stuck in the connection to the database

the operation flow is as follows, stuck at 29% all the time. Please tell me, what happened?
how to solve it?

Picture description

May.12,2021
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-64f5-1e6e42b-1c5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e6e42b-1c5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?