Scenario LCA failed

[OliverLyon]

Updating AB

• Yes, I have updated AB and still experience this issue

What happened?

I was trying to use the superstructure database I created using scenariolink in my LCA caluclation but I got the error saying scenario LCA failed, filtering unused flows removed all of the scenario data. Please see the attached picture

Relevant errors

Operating system

Windows 10

Conda environment

[Huiying671]

I have the same issue here. Have you found a way to resolve the issue, @OliverLyon ?

10:03:06 | INFO | Created LCA object
10:03:06 | INFO | Switching LCIA method
10:03:06 | ERROR | Traceback (most recent call last):
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\bwutils\calculations.py", line 28, in do_LCA_calculations
mlca = SuperstructureMLCA(cs_name, df)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\bwutils\superstructure\mlca.py", line 61, in init
assert not df.empty, "Filtering unused flows removed all of the scenario data."
^^^^^^^^^^^^
AssertionError: Filtering unused flows removed all of the scenario data.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\layouts\tabs\LCA_results_tab.py", line 60, in generate_setup
new_tab = LCAResultsSubTab(data, self)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\layouts\tabs\LCA_results_tabs.py", line 135, in init
self.mlca, self.contributions, self.mc = calculations.do_LCA_calculations(data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\bwutils\calculations.py", line 33, in do_LCA_calculations
raise BW2CalcError("Scenario LCA failed.", str(e)).with_traceback(
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\bwutils\calculations.py", line 28, in do_LCA_calculations
mlca = SuperstructureMLCA(cs_name, df)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\20230777\AppData\Local\anaconda3\envs\ab\Lib\site-packages\activity_browser\bwutils\superstructure\mlca.py", line 61, in init
assert not df.empty, "Filtering unused flows removed all of the scenario data."
^^^^^^^^^^^^
bw2calc.errors.BW2CalcError: ('Scenario LCA failed.', 'Filtering unused flows removed all of the scenario data.')