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I want to see the contribution of the different processes in the Monte Carlo simulation, but when I check display in chart they all show 0. Why

in openLCA by (300 points)

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by (122k points)
maybe since these are unit processes?
by (300 points)
have linked to the provider
by (122k points)
ok but these are the direct contributions for the processes (otherwise you would have a lot of double-counting) so setting the provider does not affect these results. If you want to see supply chain contributions, turn entire supply chains into product systems and link them in one major product system. Then select these product systems here.
by (300 points)
thanks, What I want to analyse is the uncertainty of the different data to the final LCA result
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