See if someone gets this error as well. I'm trying to create a staff forum/category, you know, for the admins and the mods to linger away, hopefully not ranting at the members. Now, you obviously want to hide something like that away from the regular folk, so be it. So this is the thing that's going on. - Create some nodes (Categories/Forums). - In Node Permissions (doesn't matter between Categories or Forums), revoke the permissions of the Newly Registered Group, and as an admin, you won't be able to see it. Revoking the guest group at this point seems to not affect anything.