How To Fix SD_DT028 - No aggregation function specified

SAP Error Message - Details

• Message type: E = Error

• Message class: SD_DT - DD: Messages for Tuning Objects

• Message number: 028

• Message text: No aggregation function specified

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SD_DT028 - No aggregation function specified ?

  The SAP error message SD_DT028: No aggregation function specified typically occurs in the context of SAP Sales and Distribution (SD) when there is an issue with the configuration of data aggregation in reports or queries. This error indicates that the system expects an aggregation function to be defined for a certain field or calculation, but none has been specified.
  Cause:
  
  Missing Aggregation Function: The most common cause is that a report or query is trying to aggregate data (e.g., sum, average) but does not have an aggregation function defined for the relevant field.
  Incorrect Query Configuration: If you are using a custom query or report, it may not be properly configured to include the necessary aggregation functions.
  Data Source Issues: The data source being used may not support the required aggregation, or it may be incorrectly set up.
  
  Solution:
  
  
  Define Aggregation Function:
  
  Go to the report or query where the error is occurring.
  Check the fields that are being aggregated and ensure that an appropriate aggregation function (like SUM, COUNT, AVG, etc.) is specified for each field that requires it.
  
  
  
  Review Query Configuration:
  
  If you are using a custom query, review the configuration settings to ensure that all necessary fields have aggregation functions defined.
  Use transaction codes like SQ01 (for queries) to access and modify the query settings.
  
  
  
  Check Data Source:
  
  Ensure that the data source you are using supports the required aggregation functions.
  If necessary, consult with your SAP Basis or technical team to verify the data source configuration.
  
  
  
  Test the Report/Query:
  
  After making the necessary changes, run the report or query again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on how to configure queries and reports, including aggregation functions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SQ01 (Query), SQ02 (InfoSet), and SQ03 (User Groups) for managing queries.
  SAP Notes: Check SAP Notes for any known issues or patches 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 the same issue.
  
  By following these steps, you should be able to resolve the SD_DT028 error and successfully run your report or query.