How To Fix UGWB029 - Value &1 is already assigned to the hierarchy node

SAP Error Message - Details

• Message type: E = Error

• Message class: UGWB - Messages for Workbench

• Message number: 029

• Message text: Value &1 is already assigned to the hierarchy node

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UGWB029 - Value &1 is already assigned to the hierarchy node ?

  The SAP error message UGWB029 indicates that a value (in this case, &1) is already assigned to a hierarchy node. This typically occurs in the context of SAP's hierarchical data structures, such as when working with characteristics in the SAP BW (Business Warehouse) or when managing master data in other SAP modules.
  Cause:
  The error arises when you attempt to assign a value to a hierarchy node that has already been assigned to another node. This can happen due to:
  
  Duplicate entries in the hierarchy.
  Incorrect data entry or configuration.
  Attempting to assign a characteristic value that is already in use.
  
  Solution:
  To resolve the UGWB029 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Navigate to the hierarchy in question and check which node currently has the value assigned. You can do this through the relevant transaction code (e.g., RSH1 for InfoObjects in BW).
  
  
  
  Remove or Change Assignment:
  
  If the value is indeed assigned to another node and you need to reassign it, you may need to remove it from the current node before assigning it to the new one.
  Alternatively, if the value should remain in the current node, consider using a different value for the new assignment.
  
  
  
  Review Hierarchy Structure:
  
  Ensure that the hierarchy structure is correctly defined and that there are no unintended duplicates or conflicts.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the hierarchy to identify any issues that may not be immediately visible.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance related to the hierarchy you are working with.
  
  
  
  Contact Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSH1 (for InfoObjects), RSH2 (for Hierarchies), and others that may be relevant to your specific SAP module.
  SAP Notes: Check SAP Notes for UGWB029 for any patches or updates that may address this issue.
  Documentation: Review the SAP Help Portal for detailed information on managing hierarchies and characteristics.
  
  By following these steps, you should be able to identify the cause of the UGWB029 error and implement a solution to resolve it.