We currently have a scenario where we are loading 2 Sections. The first Section contains a QVD file with historical data up until the previous day, and the Second Section contains the newest day's data concatenated on top of the historical. We then store the historical and new concatenated data as the QVD.
We have been running into a problem where if the script is loaded more than once, the newest day's data is duplicated. Our script currently looks like this: