Tsk, tsk, that's secret magician stuff. Sorry, but a good magician never reveals their tricks - you're not allowed to peek.
If you are an Apache Committer, Member, or Officer, double-check that you entered your credentials correctly, or check your Apache ID.
The privilege requirements for access to various parts of Whimsy are documented in the section headings on the Whimsy Home Page.
You can check what permissions your account has on the Board Agenda Auth Tester Page.