SAP Message CC030 - Indicator required, as change objects exist

Diagnosis
One of the following situations ocurred to produce this error message:
You want to remove the active indicator for an object type. Theindicator defines changes to objects of this object type.
You want to remove the object indicator, which defines separatemaintenance of management records for all objects.
Management records already exists for the object type concerned, sothis indicator cannot now be removed.