[ncl-install] Error message on installation number 208 and 25

[Cedric Figueres]

Good Afternoon Everyone,

Following the installation of NCL V r16461 with MiniConda, I obtain the
following error:

$ ng4ex xy05n -clean -W png
NCAR Graphics NCL Example Copying xy05n.ncl
Copying xy05.res Running NCL...
Copyright (C) 1995-2015 - All Rights Reserved
University Corporation for Atmospheric Research
NCAR Command Language Version r16461
The use of this software is governed by a License Agreement.
See http://www.ncl.ucar.edu/ for more details.

GKS ERROR NUMBER -208 ISSUED FROM SUBROUTINE GOPWK :
--X driver error: DISPLAY environment variable not set
GKS ERROR NUMBER 25 ISSUED FROM SUBROUTINE 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:NhlDraw: Invalid Layer Id: -4
fatal:Unable to update Workstation with PID#-4
fatal:Unable to clear Workstation with PID#-4
fatal:["Execute.c":8573]:Execute: Error occurred at or near line 173

Finished running 'ncl < xy05n.ncl'...

Could anyone help me with that?

Best regards,

Cedric Figueres
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