How To Fix SALV_X_API069 - Column '&1' is already used in the key of another group

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 069

• Message text: Column '&1' is already used in the key of another group

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API069 - Column '&1' is already used in the key of another group ?

  The SAP error message SALV_X_API069 indicates that there is a conflict with the column definition in an ALV (ABAP List Viewer) grid. Specifically, it means that the column you are trying to add or define (denoted as &1 in the error message) is already being used as part of the key for another group in the ALV display.
  Cause:
  This error typically occurs when:
  
  You are trying to create a grouped display in an ALV report, and the same column is being used as a key for multiple groups.
  The column is defined in a way that it conflicts with the grouping logic of the ALV.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Grouping Configuration:
  
  Review the grouping configuration in your ALV report. Ensure that the column you are trying to use is not already defined as a key for another group.
  If it is, you may need to remove it from one of the groups or change the grouping logic.
  
  
  
  Modify Column Definitions:
  
  If you need to use the same column in multiple groups, consider whether you can use a different column for one of the groups or modify the logic to avoid the conflict.
  
  
  
  Debugging:
  
  Use debugging tools to trace where the column is being defined and how it is being used in the ALV. This can help you identify the exact point of conflict.
  
  
  
  Review Documentation:
  
  Check the SAP documentation for the ALV functions you are using. There may be specific guidelines or limitations regarding the use of columns in grouping.
  
  
  
  Consult with Colleagues or SAP Support:
  
  If you are unable to resolve the issue, consider discussing it with colleagues who have experience with ALV reports or reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  ALV (ABAP List Viewer): A tool in SAP for displaying lists in a user-friendly format, allowing for sorting, filtering, and grouping of data.
  Grouping in ALV: When using grouping in ALV, each group can have its own key columns. Care must be taken to ensure that columns are not reused in conflicting ways.
  SAP Notes and Community: You can search for SAP Notes related to ALV issues or check the SAP Community for similar issues and solutions shared by other developers.
  
  By following these steps, you should be able to identify and resolve the cause of the SALV_X_API069 error in your ALV report.