How To Fix NRSCNV318 - Compounding InfoObjects of &1 already exist in DSO &2

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 318

• Message text: Compounding InfoObjects of &1 already exist in DSO &2

What causes this issue?

You are trying to add an InfoObject to a DataStore object. The
InfoObject contains compounding InfoObjects which are already contained
in the DataStore object. This is not possible<(>,<)> since data already
in the DataStore object would be overwritten.

System Response

The check for this operation has returned an error.

How to fix this error?

Delete the compounding InfoObjects from the DataStore object before
adding the new InfoObject.

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 NRSCNV318 - Compounding InfoObjects of &1 already exist in DSO &2 ?

  The SAP error message NRSCNV318 indicates that there is an issue with the compounding of InfoObjects in a DataStore Object (DSO). Specifically, it means that the compounding InfoObjects you are trying to create or modify already exist in the specified DSO. This can occur during the process of data modeling or when trying to enhance the DSO with new InfoObjects.
  Cause:
  
  Existing Compounding InfoObjects: The error arises when you attempt to add InfoObjects that are already defined as compounding InfoObjects in the DSO.
  Modeling Conflicts: There may be a conflict in the data model where the same InfoObjects are being referenced multiple times or inappropriately.
  Incorrect Configuration: The DSO might have been configured incorrectly, leading to duplication of InfoObjects.
  
  Solution:
  
  Check Existing InfoObjects: Review the existing compounding InfoObjects in the DSO. You can do this by navigating to the DSO in the Data Warehousing Workbench and checking its structure.
  Modify or Remove Duplicates: If you find that the InfoObjects you are trying to add already exist, you may need to either modify your approach or remove the existing InfoObjects if they are not needed.
  Adjust Compounding Settings: If you need to change the compounding structure, ensure that you are not duplicating InfoObjects. You may need to adjust the compounding settings in the DSO configuration.
  Consult Documentation: Refer to SAP documentation or notes related to DSO and InfoObject compounding for specific guidelines and best practices.
  Testing: After making changes, test the DSO to ensure that the error does not reoccur and that the data model functions as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Modeling Best Practices: Familiarize yourself with best practices for data modeling in SAP BW/4HANA or SAP BW, especially regarding InfoObjects and DSOs.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the NRSCNV318 error and successfully manage your DSO and InfoObjects.