fatal:Undefined identifier: (gsn_csm_contour) is undefined, can't continue

From: wei huang <whua27_at_nyahnyahspammersnyahnyah>
Date: Wed Mar 02 2011 - 10:41:41 MST

Hi,
please I'm getting an error given below. could anyone help me how to fix it?
thanks
wei

; options for pressure plotting

  plvl_r = plvl(time|:,lvl|:,lat|:,lon|:)

  printVarSummary(plvl_r)

  res@cnLevelSelectionMode = "ExplicitLevels" ; set manual contour
levels

  res@cnLevels = ispan(100,1000,50)

  plot = gsn_csm_contour(wks,plvl_r(0,:,{40:45},{92}),res)

  end

;*****************************

Variable: plvl_r

Type: float

Total Size: 55282500 bytes

            13820625 values

Number of Dimensions: 4

Dimensions and sizes: [time | 25] x [lvl | 21] x [lat | 195] x [lon | 135]

Coordinates:

            time: [0.5..24.5]

            lvl: [270..370]

            lat: [40.87445..45.88511]

            lon: [90.85538..100.10556]

Number Of Attributes: 1

  _FillValue : 9.96921e+36

fatal:Undefined identifier: (gsn_csm_contour) is undefined, can't continue

fatal:Execute: Error occurred at or near line 116 in file

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Received on Wed Mar 2 10:41:47 2011

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