The reason why you see this error could possibly be due to the fact that something might have gone wrong during the upgrade because of which the data was not written properly. Unfortunately, the only option we have at the moment is either resetting the data or reinstalling it.
Haridoss Sreenivasan Technical Support Engineer | Sophos Technical Support Knowledge Base | @SophosSupport | Video tutorials Remember to like a post. If a post (on a question thread) solves your question use the 'This helped me' link.
