Accessibility issue:

There are several area markups or WAI-ARIA landsmarks of the same type. This is allowed in principle, but then these must be given a unique name via aria-label or aria-labelledby. The reason is that these landmarks make navigation easier for screen reader users or users of other assistive technologies, but if only "navigation" is always read out and you don't know which of the many navigations it is, it makes navigation more difficult.

Example for this issue:

On a normal course page you will find "navigation" three times. The first time it is the global navigation in the bar at the top, the second time it is the navigation of the course under the course heading and the third time it is the expand navigation in the sidebar on the left,

How to fix the issue:

Each of these "navigation" WAI-ARIA landmarks or area markups requires an aria-label or aria-labelledby with a unique name, each describing the type of navigation.

Success Criterion:

• WCAG 2.1 - 2.4.1 Bypass Blocks 
• EN 301 549 v.3.2.1 (PDF) - 9.2.4.1 Bypass blocks