GSDML file not working

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Trying to use Wireshark to analyse Profinet communication.

The problem I have encountered is that Wireshark seems not accept GSDML file: GSD-file not found. Please place relevant GSD-file under "C:\proj\gsd*.xml"

Going to preferences of PNIO I realized that only GSD-file seems accepted.

But I have found that at least in the past Wireshark had a possibility to use GSDML: https://osqa-ask.wireshark.org/questi... So is there a chance that Wireshark help me with this?

I don't have a GSD-file and do not know if GSDML to GSD conversion is possible (and how).