This is beta software. It is not officially supported. We do not recommend running it in production.
Please remember that this is beta software. It contains known bugs and incomplete functionality. We do not recommend running beta software in a production environment, and support is limited at this time to questions here on the community forums.
If you choose to run beta software, it is your responsibility to ensure that you make a backup of your data. We recommend you do this before attempting an upgrade.
No I have not taken a backup (.Moved from bugs.
Presumably you took a backup before upgrading?