I have been using the Continuum API with various versions of GP (2010, 2013, and 2015) to get data values from fields. I have been getting the values with the GetDataValue method and up till now it's been working great. Now there is a customer who wants to get the '(L) MasterNumberDisplay' of window 'SOP_Entry' of form 'SOP_Entry' field but the only thing that is being returned is <<< Cannot evaluate expression >>> . Data is being retrieved from other fields on the form just fine and this is the only one that the API isn't working with.
If anybody knows why this is happening or how to fix it I would greatly appreciate the insight.
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