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Good afternoon,

I had a question regarding the update of product systems. From my experience with the new version 1.7, it seems that when you modify a process that is already called by a product system, the update is not automatically done in the product system. I have to delete the product system and generate a new one from the unit process to be able to quantify the changes I made downstream.

Maybe you could explain to me why it is functioning that way and also I was wondering if there was another method that could be less tedious?

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Hi Aline, after building a product system, the structure/linkages (model graph) of the product system does not change anymore. However, changes in the input/output table should be considered. I hope this helps. Best, Jonas