Does anybody know how to recover a corrupt backup? ... View more

1. You are right! The last two backups I tested are both corrupted, but the one from April is fine. 3. Yes I do automatically backup, and also check integrity. Probably it failed. Would it still be possible somehow to recover the most recent backup? Thanks for the help of you all already! ... View more

I'm sorry for apparently confusing you. As you would see in the links I posted, the word-for-word unedited error message looks like this, just in my native language: Of course the backup is unzipped. Else I couldn't even try to repair it with sqlite. ... View more

That's what I did. I wrote "relatively", because the last backup is from August, but since then I didn't do much with Lightroom. Lightroom starts, catalog seems to be corrupted, so I have to close Lightroom, open Lightroom again, it tries to repair it and fails to repair. Like on this website: Lightroom Classic: Need help repairing a corrupted Catalog | Photoshop Family Customer Community or on this website: Recover from a corrupt Adobe Lightroom catalog file | The world according to Gerhard Is it more clear now? ... View more

Yes, it is the relatively recent Backup I'm trying to open. ... View more