How To Fix UPWB078 - Selector '&1' is not used

SAP Error Message - Details

• Message type: E = Error

• Message class: UPWB - Messages for Development Class UPWB

• Message number: 078

• Message text: Selector '&1' is not used

What causes this issue?

If the selector is not used, then some of its attribute values cannot
be determined.

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?

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 UPWB078 - Selector '&1' is not used ?

  The SAP error message UPWB078 indicates that a selector (a specific filter or criteria used in a report or query) is not being utilized in the context where it is defined. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when working with queries, reports, or data models.
  Cause:
  
  Unused Selector: The selector defined in the query or report is not being referenced or used in any of the data retrieval or processing logic.
  Configuration Issues: There may be a misconfiguration in the query definition or the data model that leads to the selector not being applied.
  Changes in Data Model: If there have been recent changes to the data model or the query, the selector may have become obsolete or irrelevant.
  Incorrect Query Design: The query may have been designed in a way that does not require the selector, leading to it being flagged as unused.
  
  Solution:
  
  Review the Query Design: Check the query definition to see if the selector is indeed necessary. If it is not needed, you can remove it from the query.
  Modify the Selector: If the selector is intended to be used, ensure that it is correctly integrated into the query logic. This may involve adjusting filters or conditions to include the selector.
  Check for Dependencies: Look for any dependencies or related objects that might be affecting the selector's usage. Ensure that all related components are correctly configured.
  Rebuild the Query: If the query is complex, consider rebuilding it step by step to ensure that all components, including selectors, are correctly utilized.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly configure selectors in your specific context.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Review training materials or documentation related to SAP BW query design to better understand how selectors should be used.
  
  By following these steps, you should be able to resolve the UPWB078 error and ensure that your selectors are properly utilized in your SAP BW queries.