ORA-00293: control file out of sync with redo log
What triggered the Error:
The redo log file and control file are out of sync because a non-current controle file was specified when the instance was started.What should we do to fix it:
Retry the RECOVER command using the current control file, or retry the RECOVER command using the USING BACKUP CONTROLFILE clause.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board