Fair warning, I'm not great with programming. That being said, by reviewing the bug notes it looks like the update failed due to a 127 error caused by a permission error, broken symlinks, and the infamous gconf2 error. I found the error message in the main log.
2024-09-12 11:02:59,017 ERROR got an error from dpkg for pkg: 'gconf2': 'dependency problems - leaving triggers unprocessed' 2024-09-12 11:02:59,018 DEBUG running apport_pkgfailure() gconf2: dependency problems - leaving triggers unprocessed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2080541 Title: Failed upgrade from 22.04.4 LTS to 24.04.1 LTS due to gconf2 "dependency problems". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2080541/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs