You might sometimes get the following error when clicking on a menu link:
403 – You are not authorised to view this resource. You may not be able to visit this page because of:
1.an out-of-date bookmark/favourite
2.a search engine that has an out-of-date listing for this site
3.a mistyped address
4.you have no access to this page
5.The requested resource was not found.
6.An error has occurred while processing your request.
Please try one of the following pages:
If difficulties persist, please contact the System Administrator of this site.
Go to joomla backend > Sections > Make sure none of the sections’ Access Level‘s are set to registered.