The "anonymous authentication" inherits privileges from group "Public/Guest". While user may observe that even though full privileges are assigned for the group "Public/Guest" (except "Bypass all object security access checks" under "Administration"), still "no projects" error is seen after logged in to the project source using "anonymous authentication", as shown below:

No projects were returned by this project source.

2. Assign a security role (even a new security role without any privilege checked) to a project for group "Public/Guest" in Project Configuration, as shown below:

