Message SAP /ISDFPS/ACCMSG028 - Error adjusting the standard hierarchy in controlling area &

Diagnosis
The standard hierarchy (top node in the hierarchy) could not be enteredin the controlling area.
As a result, the CO standard hierarchy display and maintenanceapplications only display that part of the CO hierarchy that wasgenerated on the basis of the enterprise organizationor organizational structure.

Procedure
Access to the CO hierarchy view can be restored using report/ISDFPS/ACCHIERREPAIR. Inform your administrator that you want to runthe report.