I have tried to reinstall the softwareware - but no luck ?
At the moment, Mac OS 15 has no official support!
https://support.native-instruments.com/hc/en-us/articles/360014900358-Compatibility-of-Native-Instruments-Products-on-macOS
I reinstalled again again and now it works !
(Mac) How do I cleanly de-install Izotope Product Portal to then do a re-install?