Please open a Support Ticket in your user account.
Please open a new support topic in the WordPress support forums for Connections.
How do I do a back-up of my connections database?
there’s quite a few freely available plugins that can be used to backup. Also, Here’s the doc page from WordPress on how to backup. Using a plugin will likely be much easier and quicker.
You cannot reply to this support topic. Please open your own support topic.