I’m not an expert on duplicati, but from all I understand, that is very unlikely. I understand the frustration when repair doesn’t help (I’ve been there myself earlier this year). But if the db can’t be repaired, it can always be rebuilt. I suggest you move the corrupted db to some other place and run the backup job again. Since duplicati can’t find a db but finds files that have been backed up, it will rebuild the database (right @JonMikelV?). Beware, however, that this can take some time: