Dear Ernest Atanasiu,
I have tried the same myself, and I could import/export even 6-7 levels without an issue.
I would like to look into it, to see if it is because of a bug. Could you contact me in a Private Message, and send me...
- the XML file you started off from, the XML file you exported (and is faulty), and the PLN file in which you worked.
- the version of your OS and your ARCHICAD (I can see it in your signature, just to make sure it is not a different machine).
- pictures (maybe a video) of how you export the correct info, and how it is missing after import.
Cheers,
Daniel Alexander Kovacs
Professional Services Consultant
GRAPHISOFT
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