ORA-00236: snapshot operation disallowed: mounted control file is a backup

ORA-00236
ORA-00236: snapshot operation disallowed: mounted control file is a backup
Cause: Attempting to invoke cfileSetSnapshotName, cfileMakeAndUseSnapshot,
or cfileUseSnapshot when the currently mounted control file is a backup control
file.
Action: Mount a current control file and retry the operation.
More details : Viste http://www.high-oracle.com/ora-00236/
More details : Viste http://www.high-oracle.com/ora-00236/
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