Wiki Permissions Bug
Sometimes permissions will stop working
I use Vbulletin v. 4.1.6 and every once in a while permissions for some wikis will stop working. When I go and look at the permissions, nothing has changed and they are all set correctly. It's not until I re-save the permissions (essentially refreshing them) that they work again. This also only happens to one or two wikis at a time and has not happened to any of the same ones so far.