ORA-16841
        Target pluggable database has not applied all redo.
        
        
        Cause
        The target pluggable database had not completed applying all the redo data.
        Action
        If the target pluggable database is still applying, allow it to apply all the redo and reissue the command. If apply has stopped, check why it has stopped and rectify the situation before proceeding.
        
     
    
    
        ORA-16841
        one or more user data files are offline
        
        
        Cause
        The broker detected that one or more user data files were offline.
        Action
        Use Data Repair Advisor to determine which user data files are offline and how the files can be made online.
        
     
    
    
        ORA-16841
        one or more user data files are offline
        
        
        Cause
        The broker detected that one or more user data files were offline.
        Action
        Use Data Repair Advisor to determine which user data files are offline and how the files can be made online.