Try saving a copy of that text in both /var/lib/update-manager/meta-release-lts-development and /var/lib/update-manager/meta-release . You are sure you're running the beta...?
Having been using a system upgraded this way, I am actually recommending you do a clean install with the final release. My upgrade from Beta => Final has been doing funny things with permissions and PolicyKit... the configuration upgrades haven't been handled properly somehow it seems.
Try saving a copy of that text in both /var/lib/ update- manager/ meta-release- lts-development and /var/lib/ update- manager/ meta-release . You are sure you're running the beta...?
Having been using a system upgraded this way, I am actually recommending you do a clean install with the final release. My upgrade from Beta => Final has been doing funny things with permissions and PolicyKit... the configuration upgrades haven't been handled properly somehow it seems.