+1 vote
Hello everyone,

I have installed newest 1.9 version of openLCA. I have noticed that comparing different amount of the same product (scaling the amount) on the project level, the report is giving me the same results (like for the same amount). I have tested this on both : self created processed/products and on ones avaialble in Ecoinvent database. The same issue appears on different PCs/laptops with openLCA 1.9 version. Kindly ask to assist in solution of this problem.
in openLCA by (150 points)
by (11k points)
This seems to be a bug (I opened the following issue: https://github.com/GreenDelta/olca-app/issues/99). I will try to fix this now and will post an update here.
by (150 points)
Thank you for your help!
by (11k points)
I uploaded a new test version of openLCA 1.10 to this shared folder:


Could you check if this is correct now? If there are still issues with this version, please let me know. Thanks!
by (150 points)
Thank you!
It works perfectly, amount of product is considered and results are correct now.
Thank you again for quick and professional solution.
by (11k points)
Thank you for testing this! I summarized these comments in an answer below.

2 Answers

+1 vote
by (11k points)

This is a bug in openLCA 1.9: https://github.com/GreenDelta/olca-app/issues/99

The amount value of a compared product system is not considered in the calculation but the amount as defined in the product system is used instead. This should be fixed now in the latest 1.10.1 build which is available on the openLCA website:

http://www.openlca.org/download/ > Latest build

0 votes
by (4.4k points)
generally when you compare product systems on the project level and you change the amount, make sure to save the project before compiling the results. does that fix the problem?
by (150 points)
I have reinstalled olca to 1.8 version and the project works without problem.
However, how can I solve a bug in 1.9 .