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

USMD1521 - Overview

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1521 - Mod./ent.&1, node ent.&2: Assignment of hierarchy attributes not allowed ?

  The SAP error message USMD1521 typically occurs in the context of Master Data Governance (MDG) when there is an issue with the assignment of hierarchy attributes to a specific node in a hierarchy. This error indicates that the system does not allow the assignment of certain attributes to the specified node.
  
  Cause:
  The error message "USMD1521 Mod./ent.&1, node ent.&2: Assignment of hierarchy attributes not allowed" can be caused by several factors:
  
  
  Hierarchy Structure: The node you are trying to assign attributes to may not be designed to accept those attributes based on the hierarchy structure defined in the system.
  
  
  Attribute Configuration: The attributes you are trying to assign may not be configured correctly in the system or may not be allowed for the specific node type.
  
  
  Data Model Issues: There may be inconsistencies or misconfigurations in the data model that prevent the assignment of attributes to the hierarchy node.
  
  
  Authorization Issues: The user may not have