Since the “Error in updater” topic mentioned that removing the duplicati.app and reinstalling fixed that particular issue, I gave that a try.
After running duplicati, the Stored log shows that the “Error in updater” error isn’t showing up anymore, but the
Reporting error gave error
and
Request for http://localhost:8200/api/v1/serverstate/?lasteventid=12&longpoll=true&duration=299s gave error
errors have already happened since reinstalling the latest available canary.