ORA-19673
        error during proxy copy of file data_file
        - data_file: The target data file to proxy copy.
        Cause
        During a proxy backup or restore, an error occurred while copying this file, but other files may have been copied successfully.
        Action
        There should be other errors on the error stack that explains why the file could not be successfully copied.
        
     
    
    
        ORA-19673
        error during proxy copy of file string
        
        
        Cause
        During a proxy backup or restore, an error occurred while copying this file, but other files may have been copied successfully.
        Action
        There should be other errors on the error stack which explain why the file could not be successfully copied.
        
     
    
    
        ORA-19673
        error during proxy copy of file string
        
        
        Cause
        During a proxy backup or restore, an error occurred while copying this file, but other files may have been copied successfully.
        Action
        There should be other errors on the error stack which explain why the file could not be successfully copied.