How To Fix SALV_X_API129 - Aggregation on column &1 is deleted but used in grouping

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 129

• Message text: Aggregation on column &1 is deleted but used in grouping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API129 - Aggregation on column &1 is deleted but used in grouping ?

  The SAP error message SALV_X_API129 indicates that there is an issue with the aggregation of a column in an ALV (ABAP List Viewer) report. Specifically, the error states that an aggregation on a specified column (denoted as &1) has been deleted, but that column is still being used in a grouping operation. This can occur when the configuration of the ALV grid or the data being processed has been modified, leading to inconsistencies.
  Cause
  The primary causes of this error can include:
  
  Deleted Aggregation: The aggregation for the specified column has been removed from the ALV configuration, but the column is still referenced in the grouping settings.
  Inconsistent Configuration: Changes made to the ALV settings or the underlying data structure that are not properly synchronized can lead to this error.
  Data Model Changes: If the data model has changed (e.g., fields added or removed), it may lead to discrepancies in how the data is aggregated and grouped.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check ALV Configuration:
  
  Review the ALV configuration to ensure that the aggregation for the specified column is correctly defined. If it has been deleted, you may need to re-add it or adjust the grouping settings accordingly.
  
  
  
  Update Grouping Settings:
  
  If the aggregation is no longer needed, update the grouping settings to remove references to the deleted aggregation. Ensure that the grouping is consistent with the current data structure.
  
  
  
  Rebuild ALV Report:
  
  If the issue persists, consider rebuilding the ALV report from scratch, ensuring that all configurations are correctly set up and that there are no references to deleted aggregations.
  
  
  
  Check Data Source:
  
  Verify the data source and ensure that it aligns with the current ALV configuration. If there have been changes to the underlying data model, update the ALV report accordingly.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the relevant ABAP code to trace where the error occurs and gather more context about the issue.
  
  
  
  Related Information
  
  ALV Documentation: Review SAP documentation on ALV and its configuration to understand how aggregations and groupings work.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to ALV errors.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.