How To Fix RSRTS_CDS167 - Invalid type &1 in derivation binding

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 167

• Message text: Invalid type &1 in derivation binding

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS167 - Invalid type &1 in derivation binding ?

  The SAP error message RSRTS_CDS167: Invalid type &1 in derivation binding typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when working with Composite Data Sources (CDS) views or when trying to execute queries that involve data derivation.
  Cause:
  This error usually indicates that there is a mismatch in the data types expected in the derivation binding of a query or a CDS view. Specifically, it can occur when:
  
  The data type of a field in the source does not match the expected data type in the target.
  There is an issue with the way the fields are defined in the CDS view or the query.
  The derivation logic is trying to bind a field that is not compatible with the expected type.
  
  Solution:
  To resolve the RSRTS_CDS167 error, you can follow these steps:
  
  
  Check Data Types: 
  
  Review the data types of the fields involved in the derivation binding. Ensure that they match the expected types in the target query or CDS view.
  You can do this by checking the definitions of the fields in the underlying data source and the query.
  
  
  
  Adjust Derivation Logic:
  
  If you are using a derived field, ensure that the logic used for derivation is correct and that it produces a value of the expected type.
  Modify the derivation logic if necessary to ensure compatibility.
  
  
  
  Review CDS View Definition:
  
  If the error is occurring in a CDS view, check the view definition for any inconsistencies in the field types.
  Ensure that all fields are correctly defined and that there are no type mismatches.
  
  
  
  Check Query Definition:
  
  If the error occurs when executing a query, review the query definition for any fields that may be incorrectly defined or bound.
  Ensure that all fields used in the query are correctly mapped to the underlying data source.
  
  
  
  Rebuild or Refresh:
  
  Sometimes, simply rebuilding or refreshing the query or the CDS view can resolve the issue. This can help clear any cached metadata that may be causing the problem.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or community forums for any specific notes or updates related to the error message RSRTS_CDS167.
  
  
  
  Debugging:
  
  If the issue persists, consider using debugging tools available in SAP to trace the execution and identify where the type mismatch is occurring.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP BW/4HANA Documentation: Review the official SAP BW/4HANA documentation for best practices on working with CDS views and data derivation.
  
  By following these steps, you should be able to identify and resolve the cause of the RSRTS_CDS167 error in your SAP environment.