SAP Message /PLMU/UI_NAV001 - Navigator settings cannot be maintained because no layout is available

Diagnosis
No layout is available for the object type of the currently displayedcentral object. The reason for this could be:

  • No layout has been defined for this object type in Customizing

  • You are not authorized to display the views of the defined layout

    • System Response
    Navigator settings cannot be maintained.

    Procedure
    Contact your system administrator.