How To Fix RSDA401 - Aggregate function &2 for field &1 not allowed with "FOR ALL ENTRIES"

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDA - BW Archiving: Messages

• Message number: 401

• Message text: Aggregate function &2 for field &1 not allowed with "FOR ALL ENTRIES"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDA401 - Aggregate function &2 for field &1 not allowed with "FOR ALL ENTRIES" ?

  The SAP error message RSDA401 indicates that there is an issue with the use of aggregate functions in conjunction with the "FOR ALL ENTRIES" clause in a query or report. This error typically arises when you are trying to use an aggregate function (like SUM, AVG, COUNT, etc.) on a field that is not compatible with the "FOR ALL ENTRIES" clause.
  Cause:
  The main causes of this error are:
  
  Incompatible Aggregate Function: You are trying to use an aggregate function on a field that is not allowed when using "FOR ALL ENTRIES". This is often the case when the field is not part of the group by clause or is not suitable for aggregation in the context of the query.
  Empty Internal Table: If the internal table used in the "FOR ALL ENTRIES" clause is empty, it can lead to issues with aggregate functions.
  Incorrect Query Logic: The logic of the query may not align with the requirements of using aggregate functions and "FOR ALL ENTRIES".
  
  Solution:
  To resolve the RSDA401 error, consider the following solutions:
  
  
  Check Aggregate Function Usage: Ensure that the aggregate function you are using is appropriate for the field in question. If the field cannot be aggregated, you may need to revise your query logic.
  
  
  Review the Internal Table: Make sure that the internal table used in the "FOR ALL ENTRIES" clause is not empty. If it is empty, the query will not return any results, and you may need to handle this case explicitly in your code.
  
  
  Modify Query Logic: If you are using "FOR ALL ENTRIES", ensure that the fields you are aggregating are compatible with the other fields in the SELECT statement. You may need to adjust your SELECT statement to avoid using aggregate functions with fields that are not grouped properly.
  
  
  Use Subqueries: If necessary, consider using subqueries or Common Table Expressions (CTEs) to first aggregate the data in a separate query and then join it with the main query.
  
  
  Check Documentation: Refer to SAP documentation or help resources for specific guidelines on using aggregate functions and "FOR ALL ENTRIES" together.
  
  
  Related Information:
  
  FOR ALL ENTRIES: This clause is used in ABAP to select records from a database table based on the entries in an internal table. It is important to ensure that the internal table is not empty to avoid unexpected results.
  Aggregate Functions: These functions perform a calculation on a set of values and return a single value. Common aggregate functions include SUM, AVG, COUNT, MIN, and MAX.
  Performance Considerations: Using "FOR ALL ENTRIES" can have performance implications, especially if the internal table is large or if it is used in conjunction with complex queries.
  
  By following these guidelines, you should be able to troubleshoot and resolve the RSDA401 error effectively.