I just started my rails shovell application. When I point my browser to http:localhost:3000/[/url] and click on Welcome Aboard: About Your Application's Environment I get the following error instead of the version list mentioned in the book:

MissingSourceFile in Rails/infoController#properties

no such file to load -- sqlite3/database

RAILS_ROOT: /home/mike/RailsApps/shovell
Application Trace | Framework Trace | Full Trace


This error occurred while loading the following files:
sqlite3
sqlite3/database

Any ideas?