SID will return all variables that you have marked as output, doesn't matter whether they have values or not. From my point of view, you have the following options: 1. Filter empty output variables in your application that works with the results 2. Change the decision flow logic and add DS2 file as the last node, which will check which variables are available and return only those available. 3. Change the decision flow logic without adding DS2 file.
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