How To Fix USMD2163 - Object list already contains entity &2 of type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD2 - Master Data: UI Modeling

• Message number: 163

• Message text: Object list already contains entity &2 of type &1

What causes this issue?

You want to add objects to the object list. Entity &V2& of entity type
&V1& is already in the object list and has therefore not been added
again.

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?

Delete all multiple entries of entity &V2& of entity type &V1& in the
object list.

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 USMD2163 - Object list already contains entity &2 of type &1 ?

  The SAP error message USMD2163 indicates that there is an attempt to add an entity to an object list that already contains that entity. This typically occurs in the context of SAP Master Data Governance (MDG) when you are trying to manage or replicate master data.
  Cause:
  The error arises when:
  
  You are trying to add a master data entity (like a business partner, material, etc.) to a list or collection that already includes that entity.
  There may be a duplicate entry in the object list, which violates the uniqueness constraint expected by the system.
  
  Solution:
  To resolve the USMD2163 error, you can take the following steps:
  
  
  Check the Object List: Review the object list you are working with to see if the entity in question is already present. You can do this by:
  
  Navigating to the relevant transaction or application where the object list is maintained.
  Searching for the entity (using its ID or name) to confirm its presence.
  
  
  
  Remove Duplicate Entries: If you find that the entity is indeed already in the list, you can:
  
  Remove the duplicate entry from the object list if it is not needed.
  Ensure that you are not trying to add the same entity multiple times in your process.
  
  
  
  Review Your Process: If you are programmatically adding entities (e.g., through a custom program or a data import), ensure that your logic does not attempt to add the same entity more than once.
  
  
  Consult Documentation: If you are unsure about the specific object list or the entities involved, refer to the SAP documentation for Master Data Governance or the specific module you are working with.
  
  
  Check for System Updates: Sometimes, system updates or patches can resolve underlying issues. Ensure that your SAP system is up to date.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP MDG that deal with master data management.
  SAP Notes: Search for SAP Notes related to error USMD2163 in the SAP Support Portal for any known issues or fixes.
  Master Data Governance: Understanding the principles of MDG can help in troubleshooting similar issues in the future.
  
  By following these steps, you should be able to resolve the USMD2163 error and continue with your master data management tasks in SAP.