How To Fix USMD2306 - Entity &2 of type &1 already exists in change request &3

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD2 - Master Data: UI Modeling

• Message number: 306

• Message text: Entity &2 of type &1 already exists in change request &3

What causes this issue?

Entities can only be changed within exactly <ZH>one</> change request.
Entity &V2& of entity type &V1& is already in change request &V3&.
Therefore, you cannot create an additional change request for the
entity.

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?

Notify the processor of change request &V3& so that that processor
completes his or her changes and you can make your changes afterward.

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 USMD2306 - Entity &2 of type &1 already exists in change request &3 ?

  The SAP error message USMD2306 indicates that there is a conflict due to the existence of an entity of a specific type that is already present in a change request. This typically occurs in the context of SAP Master Data Governance (MDG) when you are trying to create or modify an entity that is already being processed in another change request.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Entity: You are attempting to create or modify an entity (e.g., a business partner, material, etc.) that already exists in the specified change request.
  Change Request Locking: The entity is locked for editing in another change request, preventing you from making changes to it.
  Incorrect Change Request: You might be trying to add an entity to a change request that is not intended for that entity type.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Change Requests:
  
  Review the existing change requests to see if the entity you are trying to create or modify is already included in another change request. You can do this by navigating to the change request management area in SAP MDG.
  
  
  
  Release or Delete Conflicting Change Request:
  
  If the entity is indeed in another change request and you have the necessary permissions, you can either release that change request or delete it if it is no longer needed.
  
  
  
  Use a Different Change Request:
  
  If the entity is locked in a change request that you cannot modify, consider using a different change request for your changes.
  
  
  
  Consult with Colleagues:
  
  If you are unsure about the status of the change request or the entity, consult with your colleagues or the team responsible for change request management to clarify the situation.
  
  
  
  Check for System Locks:
  
  Sometimes, system locks can cause this issue. Ensure that there are no lingering locks on the entity that might be causing the conflict.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG for configuration and MDG_BS_MAT for material governance, depending on the entity type you are working with.
  Change Request Management: Understand the workflow and lifecycle of change requests in SAP MDG to better manage entities and avoid conflicts.
  SAP Notes: Check for any relevant SAP Notes or documentation that might provide additional insights or updates related to this error message.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.