How To Fix UCS0028 - A characteristic with the role &1 is not used

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 028

• Message text: A characteristic with the role &1 is not used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UCS0028 - A characteristic with the role &1 is not used ?

  The SAP error message UCS0028 indicates that a characteristic with a specific role is not being used in the context where it is expected. This error typically arises in the context of SAP's Business Warehouse (BW) or SAP's Integrated Business Planning (IBP) when dealing with characteristics in InfoObjects, data models, or planning models.
  Cause:
  
  Unused Characteristic: The characteristic defined in the system is not being utilized in any of the relevant data models, queries, or planning scenarios.
  Configuration Issues: There may be a misconfiguration in the InfoObject or the data model that leads to the characteristic not being linked properly.
  Role Assignment: The role assigned to the characteristic may not be appropriate or may not match the expected usage in the model.
  Data Model Changes: Changes in the data model or InfoObjects that have not been properly reflected in the associated queries or reports.
  
  Solution:
  
  Check Characteristic Usage: Verify if the characteristic is indeed required for the specific model or query. If it is not needed, you may consider removing it from the model.
  Update Data Model: If the characteristic should be used, ensure that it is correctly included in the relevant data model or InfoProvider. You may need to adjust the model to include the characteristic.
  Review Role Assignment: Check the role assigned to the characteristic and ensure it aligns with the intended use. If necessary, reassign the role or modify the characteristic settings.
  Rebuild Queries: If the characteristic is part of a query, you may need to refresh or rebuild the query to ensure it recognizes the characteristic.
  Transport Requests: If changes were made in a development environment, ensure that the transport requests are correctly moved to the production environment.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to check InfoObjects and data models.
  Documentation: Refer to SAP Help documentation for detailed information on characteristics, roles, and data modeling.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the UCS0028 error and implement the necessary changes to resolve it.