ORA-10469: error creating control file backup, no checkpoint

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ORA-10469: error creating control file backup, no checkpoint
Cause: The control file beingbacked up did not contain a valid control file
checkpoint. Therefore the control file could not be backed up, as such a backup
would not be usable later for recovery. A common cause for this situation isthat
you executed CREATE CONTROLFILE, which mounts the database, but not
ALTER DATABASE OPEN, to open the database. The latter operation generates a
valid control file checkpoint.
Action: Open the databasewith ALTER DATABASE OPEN ..., which results in a
valid control file checkpoint. Run the backup operation again.