How To Fix RSRTS_CDS124 - Field (&1 at pos. &2) derivation: Field &3 not filtered to single values

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 124

• Message text: Field (&1 at pos. &2) derivation: Field &3 not filtered to single values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS124 - Field (&1 at pos. &2) derivation: Field &3 not filtered to single values ?

  The SAP error message RSRTS_CDS124 typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with Composite Data Sources (CDS) views or queries. This error indicates that a field in your query is not being filtered down to a single value, which is necessary for the query to execute properly.
  Cause:
  The error message RSRTS_CDS124 is triggered when:
  
  A field in the query is expected to have a single value, but multiple values are being returned.
  The query is not properly filtering the data based on the selection criteria.
  There may be issues with the data model or the way the query is constructed, leading to ambiguity in the results.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Query Filters: Ensure that the filters applied to the query are correctly set up to limit the results to a single value for the specified field. You may need to add or adjust filters in the query definition.
  
  
  Review Field Usage: Look at how the field in question is being used in the query. If it is part of a hierarchy or has multiple values, consider whether it should be aggregated or if additional filters are needed.
  
  
  Data Model Validation: Validate the underlying data model to ensure that the relationships and joins are correctly defined. If the data model is incorrect, it may lead to multiple values being returned.
  
  
  Check for Variables: If the field is being populated by a variable, ensure that the variable is set up to return a single value. You may need to adjust the variable settings or provide a default value.
  
  
  Debugging: Use transaction codes like RSRT (Query Monitor) to analyze the query execution and see where the issue arises. This can help you identify which part of the query is causing the problem.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional insights on the specific field and its expected behavior in the context of your query.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP BW query design and CDS views to better understand how to structure queries effectively.
  
  By following these steps, you should be able to identify the root cause of the RSRTS_CDS124 error and implement a solution to resolve it.