ORA-16393
        Redo log management parameter setting is invalid.
        
        
        Cause
        The value specified for the redo log management parameter had invalid attributes or was not specified with SID='*' in a cluster configuration.
        Action
        Check the documentation regarding the correct specification for redo log management.
        
     
    
    
        ORA-16393
        Redo log management setting is invalid.
        
        
        Cause
        The value specified for redo log management had invalid attributes or was specified with SID='*'.
        Action
        Check the documentation regarding the correct specification for redo log management.
        
     
    
    
        ORA-16393
        Redo log management setting is invalid.
        
        
        Cause
        The value specified for redo log management had invalid attributes or was specified with SID='*'.
        Action
        Check the documentation regarding the correct specification for redo log management.