How To Fix UPWB083 - Selector '&1' can only be referenced once

SAP Error Message - Details

• Message type: E = Error

• Message class: UPWB - Messages for Development Class UPWB

• Message number: 083

• Message text: Selector '&1' can only be referenced once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPWB083 - Selector '&1' can only be referenced once ?

  The SAP error message UPWB083, which states "Selector '&1' can only be referenced once," typically occurs in the context of SAP Business Warehouse (BW) or SAP BusinessObjects when working with queries, reports, or data models. This error indicates that a specific selector (a variable or parameter used to filter or select data) is being referenced multiple times in a way that is not allowed.
  Cause:
  The primary cause of this error is that the same selector is being used more than once in a query or report definition. In many cases, selectors are designed to be unique within a specific context, and referencing them multiple times can lead to ambiguity or conflicts in the data retrieval process.
  Solution:
  To resolve the UPWB083 error, you can take the following steps:
  
  
  Identify the Selector: Check the error message for the specific selector name (denoted as '&1') that is causing the issue.
  
  
  Review Query/Report Design: Open the query or report where the error is occurring and look for instances where the same selector is being used more than once.
  
  
  Remove Duplicate References: Ensure that each selector is only referenced once. If you need to apply the same filter or condition multiple times, consider using a different approach, such as:
  
  Creating a new selector with a different name.
  Using a different filtering mechanism that does not require the same selector to be referenced multiple times.
  
  
  
  Test the Changes: After making the necessary adjustments, save the changes and re-run the query or report to see if the error is resolved.
  
  
  Consult Documentation: If you are unsure about how to modify the selectors or if the issue persists, refer to SAP documentation or seek assistance from your SAP support team.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can offer solutions or workarounds.
  Best Practices: Familiarize yourself with best practices for designing queries and reports in SAP BW or BusinessObjects to avoid similar issues in the future.
  
  By following these steps, you should be able to resolve the UPWB083 error and ensure that your queries or reports function correctly.