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I am fairly new to OpenLCA and I am trying to have multiple outputs of the same flow (e.g., reinforcing steel), but I am unable to add multiple of the same flow as an output. I have asked my instructor and he has never seen this issue and I have multiple of the same flow being pulled into the product as an input with no issues.

Any guidance or suggestions are much appreciated!
in openLCA by (120 points)

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Interesting - why do you need this? The calculation logic asks for specific products from specific processes; you can indeed have the same product (e.g. steel) multiple times in the input (from different production routes, e.g., but it is the same product) but you will not need the same product multiple times as output.  Curious to hear your explanation, best wishes, Andreas