ORA-15317
        user identification number 'string' does not exist in operating system user dictionary
        
        
        Cause
        The specified user identification number did not belong to a valid operating system user.
        Action
        Specify a valid operating system user.
        
     
    
    
        ORA-15317
        user identification number 'string' does not exist in operating system user dictionary
        
        
        Cause
        The specified user identification number did not belong to a valid operating system user.
        Action
        Specify a valid operating system user.
        
     
    
    
        ORA-15317
        user identification number 'string' does not exist in operating system user dictionary
        
        
        Cause
        The specified user identification number did not belong to a valid operating system user.
        Action
        Specify a valid operating system user.