ORA-38712
        Corrupt flashback log record header: block string, offset string.
        
        
        Cause
        A corrupt flashback database log record header was read. Either the record type or length were incorrect. More information was dumped to the trace file.
        Action
        If you are doing a FLASHBACK DATABASE, then the flashback cannot be performed because of the corrupted log.  A restore and an incomplete recovery must be performed instead.
        
     
    
    
        ORA-38712
        Corrupt flashback log record header: block string, offset string.
        
        
        Cause
        A corrupt flashback database log record header was read. Either the record type or length were incorrect. More information was dumped to the trace file.
        Action
        If you are doing a FLASHBACK DATABASE, then the flashback cannot be performed because of the corrupted log.  A restore and an incomplete recovery must be performed instead.
        
     
    
    
        ORA-38712
        Corrupt flashback log record header: block string, offset string.
        
        
        Cause
        A corrupt flashback database log record header was read. Either the record type or length were incorrect. More information was dumped to the trace file.
        Action
        If you are doing a FLASHBACK DATABASE, then the flashback cannot be performed because of the corrupted log.  A restore and an incomplete recovery must be performed instead.