After downgrading and trying the downgraded unison you will only need to delete the "fs*" files in .unison on your local machine I found out. So thankfully the sync-state "ar*", was still working well after that.
I didn't actually get a new error though, but the same error. But thankfully this bug thread helped me by saying there was two steps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875475 Title: Unison from Ubuntu 20.04 is incompatible with Unison from Ubuntu 18.04, Windows or Mac OS X To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unison/+bug/1875475/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
