Category Hierarchy and Tabs Layout Print < All TopicsTabs Layout uses top categories for its tabs, and therefore, it cannot contain articles. Add your articles to sub-categories. Was this article helpful? 0 out Of 5 Stars 5 Stars 0% 4 Stars 0% 3 Stars 0% 2 Stars 0% 1 Stars 0% How can we improve this article? Submit Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.