All though nothing has been recently changes we are suddenly getting a 403 access error on the following pages here http://nickwilsoncg.org
All under the About Us top menu item
~Mission and History
All permission should be set for these pages to be publicly accessed. However the only way I can get access without the 403 error is if I am logged in on the front-end as a administrator. I am on Joomla 1.5.21 with this template.
In addition, when I tried to recreate the menu with new menu and new content I got the same issue. Can anyone offer advice as to what might be causing the issue? Thanks in advance for any help.