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i have used lca common USDA_1901009 database and using TRACI from openlca_lcia_v2_0_4_20191024. when i calculate result, the values are showing zero in each column of impact analysis. I am doing LCA for hot mix asphalt and using input of bitumen, gravel, diesel, truck, limestone.

i dont know where am i doing mistake.

my steps are following

i created a flow -as product- mass

then created process and linked that process to flow created earlier.

then filled input data.  then created product system and then calculat using TRACI and every other method available but each time i got zero value
in openLCA by (140 points)

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