When you remove permission for a user on a protected site while logged in as that user, you receive an error
If
you remove permission for a user on a protected site while logged in as that user, you
receive an incorrect error message.
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.
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.
None.