ORA-12939
        The Data Guard environment is incomplete.
        
        
        Cause
        A request to perform Nonlogged Block Replacement (NBR) recovery could not identify any other database in the Data Guard environment from which to request replacement blocks.
        Action
        Ensure there is a LOG_ARCHIVE_DEST_n parameter configured that identifies the primary or standby database from which requests for replacement blocks can be made.
        
     
    
    
        ORA-12939
        The Data Guard environment is incomplete.
        
        
        Cause
        A request to perform Nonlogged Block Replacement (NBR) recovery could not identify any other database in the Data Guard environment from which to request replacement blocks.
        Action
        Ensure there is a LOG_ARCHIVE_DEST_n parameter configured that identifies the primary or standby database from which requests for replacement blocks can be made.
        
     
    
    
        ORA-12939
        The Data Guard environment is incomplete.
        
        
        Cause
        A request to perform Nonlogged Block Replacement (NBR) recovery could not identify any other database in the Data Guard environment from which to request replacement blocks.
        Action
        Ensure there is a LOG_ARCHIVE_DEST_n parameter configured that identifies the primary or standby database from which requests for replacement blocks can be made.