The following is the ORA-19602 error message, you can learn the cause and solution of the Oracle database error.
ORA-19602 cannot backup or copy active file in NOARCHIVELOG mode
Cause: An attempt was made to copy or backup a file that was not closed cleanly, and the database was in NOARCHIVELOG mode. This is not allowed because when restored, the file will require redo application before it is usable, and redo is not currently being saved beyond the contents of the online redo logs.
Solution: Take the tablespace offline clean or close the database and retry the copy or backup.
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