How To Fix UGMD307 - Leaf &1 already being used in &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 307

• Message text: Leaf &1 already being used in &2 &3

What causes this issue?

When using a delta node attribute at a characteristic value, this
assignment must be unambiguous. The specified value &v1& is already
used in &v2& &v3&.

System Response

Cannot save.

How to fix this error?

Specify a different value, which has not been used yet. .

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 UGMD307 - Leaf &1 already being used in &2 &3 ?

  The SAP error message UGMD307 indicates that a specific leaf (or node) in a hierarchical structure is already being used in another context or instance. This typically occurs in scenarios involving master data management, such as when dealing with organizational structures, product hierarchies, or other similar data models.
  Cause:
  The error message UGMD307 is triggered when you attempt to assign or use a leaf (node) that is already associated with another parent or structure. This can happen in various situations, such as:
  
  Duplicate Assignments: Trying to assign a leaf that is already linked to another parent node.
  Data Integrity Issues: The system detects that the leaf is already in use, which could lead to inconsistencies in the data model.
  Incorrect Hierarchical Structure: The hierarchical structure may not be set up correctly, leading to conflicts in node assignments.
  
  Solution:
  To resolve the UGMD307 error, you can take the following steps:
  
  
  Check Existing Assignments: Review the current assignments of the leaf node in question. Identify where it is already being used and ensure that it is not assigned to multiple parents or structures simultaneously.
  
  
  Reassign or Remove: If the leaf needs to be moved to a different parent, you may need to first remove it from its current parent before reassigning it. Ensure that this action does not violate any business rules or data integrity constraints.
  
  
  Data Cleanup: If there are inconsistencies in the data, consider cleaning up the data model to ensure that each leaf is uniquely assigned to a single parent.
  
  
  Consult Documentation: Refer to SAP documentation or help resources specific to the module you are working with (e.g., SAP Master Data Governance) for additional guidance on managing hierarchical structures.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal IT team for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to the specific module you are working with, as they may provide tools for managing hierarchical data.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the UGMD307 error and implement a solution to resolve it.