display error......

hi,

i am trying to install ncl.......but im getting this error:
Copyright (C) 1995-2010 - All Rights
Reserved
 University Corporation for Atmospheric
Research
 NCAR Command Language Version
5.2.0
 The use of this software is governed by a License
Agreement.
 See http://www.ncl.ucar.edu/ for more
details.
warning:GKS:GOPWK: --X driver error: error opening
display
warning:GKS:GESC: --SPECIFIED WORKSTATION IS NOT
OPEN
fatal:Workstation with PID#8 is not
open
fatal:Unable to open Workstation-Can't
Create
fatal:Unable to access object with
id:-4
fatal:_NhlCreate:Invalid Parent id
#-4
fatal:NhlGetValues:PID #-4 is
invalid
fatal:Execute: Error occurred at or near line 10409 in file
$NCARG_ROOT/lib/ncarg/nclex/gsun/gsn_code.ncl

fatal:Execute: Error occurred at or near line 12 in file gsun01n.ncl

if some one can be of any help???

qudsia

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Received on Thu Jun 3 10:49:30 2010