oracle error -- ORA-00293: control file out of sync with redo log

ORA-00293:	control file out of sync with redo log
Cause:	The redo log file and control file are out of sync because a non-current controle file was specified when the instance was started.
Action:	Retry the RECOVER command using the current control file, or retry the RECOVER command using the USING BACKUP CONTROLFILE clause.