Can't access section

From the main vBulletin forum list, if I click on Canadian Topics, I get a box that says

NeatHouse, you do not have permission to access this page. This could be due to one of several reasons:

Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else’s post, access administrative features or some other privileged system?
If you are trying to post, the administrator may have disabled your account, or it may be awaiting activation.

However, if I click on the current topic in the column to the right, I can access it no problem.

An odd glitch.

I can access the Jobs List and UK Topics above and below with no problems. And I obviously could access the Canadian Topics forum before since I got in to add my new thread. It seems to be the only forum that’s doing this.