What is your operating system?
Are you using Data Bridge 1.1.2? if you are using a previous version, make sure to uninstall it from the extension manager, then install the newer version that is available from the download center.
if you continue to have the problem, please provide more details"
What application preset you are using?
Are you using your own table, or letting the wizard create one for you?
if your own table, what is the table structure?