[Solved] OC 10.0.4.4 -> NC 12.0.3 gives "Updates between multiple major versions and downgrades are unsupported"

[tflidd]

They fixed a couple of things in the migration tool and it should work:

Migrating from ownCloud 10.x to NextCloud 12.x - or not, and if so, how?

Hello everyone I have watched for a while the progress of Nextcloud and am quite impressed with the way it is going So I have attempted several times in the last 4 months to migrate from ownCloud 10 to Nextcloud 12 using the migration tool. I never went past the screen “Could not determine migration path to Nextcloud” and have remained confused about whether migration was possible and if so how. It seems I am not alone there from reading posts on several threads including Migr…

A fresh start is always an option, at least you don’t migrate old problems into your new setup