Thank you very much for sending the export archive. I have inspected it and I see that the tables there only have relations between each other, not to any external presumably existing table, is it correct? If yes, then I guess such archive will be imported with no issues on my test app (I’ll check it anyway though), and that shouldn’t be a reason why the relations broke in your app.
Here are a few additional questions, answers to which might help the investigation:
- Did any these tables exist when you started the import?
- If yes, which columns (relations in the first place) did they have?
- Were there any relations from other tables not present in the export archive (e.g. Users table) to one of them?
I think if any relations with these tables from CSV were already present in your app, importing these tables without those relation columns declared in CSV might have caused the problem we saw.