SAP Message RSPLS_CR002 - Hierarchy &1 for &2 characteristic contains multiple instances of a node

Diagnosis
You are using a hierarchy with the technical name '&V1&' for InfoObject'&V2&' in a characteristic relationship for InfoCube '&V3&' in step '
V4'. however, this hierarchy contains at least one multiple occurrenceof a node. As you want to use this hierarchy for derivingcharacteristics, nodes can only appear once in the hierarchy.

System Response
The characteristic relationship cannot be used in this step.

Procedure
Modify the hierarchy so that these characteristic values (hierarchynodes) only appear once.