PAC 2 Error
Structure type [X] is mapped in a circular fashion
(Note: [X] is a standard structure type, for example H1, Figure, P, etc…)
PDF/UA > Logical Structure > Role mapping > Role mapping of standard structure types
Matterhorn Protocol Checkpoint 02-003: A circular mapping exists.
In the Tags pane in Acrobat Pro, click the Options icon at the top left and select “Edit Role Map”. In the Role Map dialog, select the structure type that is mapped in a circular fashion. Click the Delete Item button.