Today backup execution failed several times due to an error: ystem.ArgumentException: Ein Element mit dem gleichen Schlüssel wurde bereits hinzugefügt. bei Duplicati.Library.Main.BackendManager.List() bei Duplicati.Library.Main.Operation.FilelistProcessor.RemoteListAnalysis(BackendManager bac…

Your issue sounds a lot like this (not yet resolved) one: [image] Backup failing with key already exists exception on OneDrive Support It’s probably not related but I noticed OneDrive mentioned. Could your issue be at all related to this one? https://forum.duplicati.com/…

Backup fails ("element with same key already added")

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JonMikelV October 28, 2017, 3:02pm 2

Your issue sounds a lot like this (not yet resolved) one: