Grasshopper

algorithmic modeling for Rhino

I am getting the following run-time error on the gHowl spreadsheet reader command in my grasshopper file:


"1. Solution exception:The type initializer for 'ClosedXML.Excel.XLWorkbook' threw an exception."

Please advice.

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You do not have Open XML SDK installed.
It goes along with gHowl install files in the "Dependencies" folder.

For further issues with gHowl it might be better if you ask directly in their group:

http://www.grasshopper3d.com/group/ghowl

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