ERROR RUN NCL

Hi users.

When I run NCL I have this error:

gui_at_zeus:~$ ng4ex gsun01n

NCAR Graphics NCL Example <gsun01n>

This example was set up to display the output to an
X11 window.

  Copying gsun01n.ncl

Running NCL...
 Copyright (C) 1995-2009 - All Rights Reserved
 University Corporation for Atmospheric Research
 NCAR Command Language Version 5.1.0
 The use of this software is governed by a License Agreement.
 See http://www.ncl.ucar.edu/ for more details.
ncl: symbol lookup error: ncl: undefined symbol: _gfortran_copy_string

ncl failed.

gui_at_zeus:~$

Does anybody help me?

-- 
----------------------------------------------------------
José Guilherme Martins dos Santos
Grupo de Modelagem da Atmosfera e Interfaces - GMAI
Divisão de Modelagem e Desenvolvimento
Centro de Previsão de Tempo e Estudos Climáticos    -  INPE
Rodovia Presidente Dutra, km 39   -    CEP 12630-000
Cachoeira Paulista, SP, Brasil
Telefone(CP): +55 12 3185 8529 / Celular: +55 12 91678770
E-mail: guilherme.martins_at_cptec.inpe.br
E-mail alternativo: jgmsantos_at_gmail.com
Homepage: http://jgmsantos.googlepages.com/index.html
-----------------------------------------------------------
_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk