How To Fix RSRTS_CDS162 - Annotated formula for &1: Formula must not use itself (recursion)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 162

• Message text: Annotated formula for &1: Formula must not use itself (recursion)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS162 - Annotated formula for &1: Formula must not use itself (recursion) ?

  The SAP error message RSRTS_CDS162 indicates that there is a recursion issue in an annotated formula within a Core Data Services (CDS) view or a calculation view in SAP BW/4HANA or SAP HANA. This error occurs when a formula references itself directly or indirectly, which leads to an infinite loop during execution.
  Cause:
  The primary cause of this error is that the formula defined in the CDS view or calculation view is attempting to compute a value that depends on itself. This can happen if:
  
  The formula is incorrectly defined and includes its own name in the calculation.
  There is a circular reference in the logic of the formula, where the output of one calculation is used as an input for another that eventually leads back to the original calculation.
  
  Solution:
  To resolve the RSRTS_CDS162 error, you can take the following steps:
  
  
  Review the Formula: Check the annotated formula for any self-references. Ensure that the formula does not include its own name or any other calculations that lead back to it.
  
  
  Refactor the Logic: If the formula is complex and requires multiple calculations, consider breaking it down into smaller, non-recursive components. You can create intermediate calculations or use additional fields to store results.
  
  
  Use Alternative Approaches: If recursion is necessary for your logic, consider using alternative methods to achieve the same result without direct self-reference. This might involve using different aggregation methods or restructuring the data model.
  
  
  Test Changes: After making adjustments to the formula, test the changes to ensure that the error is resolved and that the calculations yield the expected results.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for best practices on writing annotated formulas and avoiding recursion issues.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide guidance on best practices for writing formulas in CDS views.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Performance Considerations: Be aware that complex formulas can impact performance. Simplifying calculations can lead to better performance in your reports and queries.
  
  By following these steps, you should be able to identify and resolve the recursion issue causing the RSRTS_CDS162 error in your SAP environment.