ORA-19654: must use backup control file to switch file incarnations
Cause: This switchToCopy operation is attempting to switch incarnations of a datafile, but the currently mounted control file is not a backup control file.
Action: Restore and mount a backup control file.
Cause: This switchToCopy operation is attempting to switch incarnations of a datafile, but the currently mounted control file is not a backup control file.
Action: Restore and mount a backup control file.
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