[CONFSERVER-29930] When Page Tree Plugin Cannot be encapsulated by any Text Attributes, such as Bold, Italic and more it renders Undefined - Create and track feature requests for Atlassian products.

Page Tree Macro does not work when it is wrapped around a text attribute such as bold or italic, it renders Undefined

<p>
  <strong>
    <br/>
  </strong> <strong>
    <ac:macro ac:name="pagetree"/>
  </strong>
</p>

Delete the Macro and create it again, make sure that no attribute has been selected.