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When an error message is displayed, the content is"Cannot read field 'flow' because 'process.quantitativeReference'is null".The database name is tiangongv.0.2.0.
in openLCA by (140 points)

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Indeed this database has unfortunately some issues as it is now (not distributed via Nexus). If you perform a database validation you will find quite some errors that indicate missing mandatory elements, such as a reference flow for processes, and also other things. Probably it is not good to use the database now.
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