Oracle Solution for Error ora-19603

ORA-19603: cannot backup or copy active file with KEEP .. UNRECOVERABLE option

What triggered the Error:

e user tried to copy or backup a file that was not closed cleanly, with KEEP .. UNRECOVERABLE option. This is not allowed because when restored, the file will require redo application before it is usable, and redo will not be saved because of KEEP .. UNRECOVERABLE option.

What should we do to fix it:

ke the tablespace offline cleanly, or close the database and retry the copy or backup.