Device limit reached error on crystalsky after reinstall

After a complete factory reset on DJI Crystalsky and trying both Litchi 4.28.0 and 5.0.2, (separately), I repeatedly get “Device Limit Reached” when trying to log in. I logged out of laptop and desktop mission hubs, but this has never caused an issue in the past.

How do I reset the device limit reached. Any suggestions welcome. Andy

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