How To Fix USMD1521 - Mod./ent.&1, node ent.&2: Assignment of hierarchy attributes not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 521

• Message text: Mod./ent.&1, node ent.&2: Assignment of hierarchy attributes not allowed

What causes this issue?

Node entity types of usage <LS>Hierarchy Names</> cannot be assigned any
<LS>hierarchy attributes</> or <LS>hierarchy attributes from reference
</>.

System Response

The data model will not be saved.

How to fix this error?

Remove the assigned hierarchy attributes.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.