Hierarchy &2/&3 already exists in summarization version &1.

What causes this issue?

The hierarchy of investment program &V2&/&V3& is already in
summarization version &V1&.

System Response

Procssing is not continued.

How to fix this error?

If you want to save the hierarchy of investment program &V2&/&V3& a
second time in summarization version &V1&, you first have to delete the
existing hierarchy. However, be aware that this could lead to
inconsistencies, if already data exists for this investment program and
this summarization version.

Error message extract from SAP system. Copyright SAP SE.