How To Fix UGWB019 - Another node cannot be assigned to this entry

SAP Error Message - Details

• Message type: E = Error

• Message class: UGWB - Messages for Workbench

• Message number: 019

• Message text: Another node cannot be assigned to this entry

What causes this issue?

You want to insert another node under a hierarchy node of
characteristic &V1&. However, the definition of characteristic &V2&
does not permit insertions of more nodes under the nodes of
characteristic &V1&.

System Response

Operation terminated

How to fix this error?

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

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 UGWB019 - Another node cannot be assigned to this entry ?

  The SAP error message UGWB019, which states "Another node cannot be assigned to this entry," typically occurs in the context of hierarchical data structures, such as when working with organizational units, cost centers, or other master data that is organized in a tree-like structure.
  Cause:
  This error usually arises when you attempt to assign a node (such as a cost center or organizational unit) to a parent node that already has a different node assigned to it. In hierarchical structures, each parent node can only have one direct child node of a specific type. If you try to assign a second node to the same parent, SAP will throw this error.
  Solution:
  To resolve the UGWB019 error, you can take the following steps:
  
  
  Check Existing Assignments: Review the current assignments of the parent node to see if it already has a child node assigned. You can do this by navigating to the relevant transaction (e.g., for cost centers, you might use transaction code KS01 or KS02).
  
  
  Remove Existing Assignment: If the parent node already has a child node assigned and you want to replace it, you will need to remove the existing assignment first. This can typically be done in the same transaction where you view the assignments.
  
  
  Reassign the Node: After removing the existing assignment, you can then proceed to assign the new node to the parent node.
  
  
  Check for Dependencies: Ensure that there are no dependencies or restrictions that might prevent the assignment. For example, certain organizational structures may have rules about how nodes can be assigned.
  
  
  Consult Documentation: If you are unsure about the structure or the rules governing the assignments, refer to the SAP documentation or consult with your SAP administrator or functional consultant.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing hierarchical data, such as KS01 (Create Cost Center), KS02 (Change Cost Center), or OX02 (Change Organizational Unit).
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as there may be known issues or fixes provided by SAP.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the hierarchical structure, as lack of permissions can also lead to errors.
  
  If the problem persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.