How To Fix RS_HCPR_MODEL147 - Local name '&1' for nav. attribute '&2' is already used (see field '&3')

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_HCPR_MODEL - Messages related to the HANA Composite Provider Backend

• Message number: 147

• Message text: Local name '&1' for nav. attribute '&2' is already used (see field '&3')

What causes this issue?

You have specified local name '&V1&' for a navigation attribute, but
this name is already used either as a field name, or as another local
navigation attribute name. The same name is used in the context of field
'&V3&'.

System Response

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

How to fix this error?

Enter a different local name that is unique to this navigation
attribute.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_HCPR_MODEL147 - Local name '&1' for nav. attribute '&2' is already used (see field '&3') ?

  The SAP error message RS_HCPR_MODEL147 indicates that there is a conflict with the naming of navigation attributes in a data model. Specifically, it means that the local name you are trying to use for a navigation attribute is already in use elsewhere in the model. This can happen when you are trying to create or modify a data model in SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  
  Duplicate Naming: The local name you are trying to assign to the navigation attribute is already assigned to another attribute or object in the same context.
  Modeling Errors: There may be inconsistencies or errors in the data model that lead to naming conflicts.
  Changes in the Model: If the model has been modified recently, it may have introduced conflicts that were not present before.
  
  Solution:
  
  Check Existing Names: Review the existing navigation attributes in your data model to identify where the conflict is occurring. Look for the field indicated in the error message (&3) to see what is already using the name &1.
  Rename the Attribute: If you find that the local name is indeed in use, consider renaming the navigation attribute you are trying to create or modify to a unique name that does not conflict with existing names.
  Review Model Structure: Ensure that the overall structure of your data model is correct and that there are no other underlying issues that could be causing the conflict.
  Clear Cache: Sometimes, clearing the cache in the SAP system can help resolve issues related to naming conflicts, especially if changes were made recently.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on naming conventions and best practices for data modeling.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Model Documentation: Review the documentation for your specific data model to understand the naming conventions and restrictions that apply.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the RS_HCPR_MODEL147 error and successfully manage your navigation attributes in the SAP data model.