[Wien] error when plotting spin density contours 3d

[Aboudi Hamouda]

Dear all,

I need your advice !

I have a problem, when trying to run xcrysden to plot 3d isosurface. This is my error


can't read "output": no such variable
can't read "output": no such variable
    while executing
"WriteFile $system(SCRDIR)/xc_rho.$system(PID) $output a"
    (procedure "wnAppendRhoFile" line 16)
    invoked from within
"wnAppendRhoFile"
    (procedure "wnMakeIn5_2D3D" line 220)
    invoked from within
"wnMakeIn5_2D3D $isosurf(origVec) 3D"
    (procedure "SetIsoGridSpaceOK" line 131)
    invoked from within
"SetIsoGridSpaceOK .isoget WIEN 3D"
    invoked from within
".isoget.f3.ok invoke"
    ("uplevel" body line 1)
    invoked from within
"uplevel #0 [list $w invoke]"
    (procedure "tk::ButtonUp" line 22)
    invoked from within
"tk::ButtonUp .isoget.f3.ok"

have someone met this error before ? please  advice me.

Best regards,
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