If you remove permission for a user on a protected site while logged in as that user, you receive an incorrect error message.
Problem
When you remove permission for a user on a protected site while logged in as that user, the following error message appears: Unable to retrieve Permissions data. The session is already logged in.
A similar error appears on the Advanced Settings tab.
Cause
This error appears when you remove your own permissions at the site level. Instead, the message should inform you that you do not have permissions to view the page.
Solution
None.