Liberty Consignment unable to connect to database is a common issue with Liberty.
At its base-level, a network is a really simple thing. For a consignment store, this can mean anything from not being able to get on the Internet, to your consignment software crashing.
If you have a large amount of data and have been running Liberty for multiple years, you're likely ready to re-index your database.
If you run Liberty, you've likely seen Connection Failures more than once.