How To Fix RSRTS_CDS209 - Parameter &1 value help: unknown alias &2

RSRTS_CDS209 - Overview

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 209

• Message text: Parameter &1 value help: unknown alias &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS209 - Parameter &1 value help: unknown alias &2 ?

  The SAP error message RSRTS_CDS209 with the description "Parameter &1 value help: unknown alias &2" 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 there is an issue with the parameter value being passed to a query or a data source, specifically that the alias being referenced is not recognized.
  
  Cause:
  
  Incorrect Alias: The alias specified in the query or data source does not exist or is misspelled.
  Parameter Mismatch: The parameter being used in the query does not match the expected parameters defined in the CDS view or data source.
  Changes in Data Model: If there have been recent changes to the underlying data model (like renaming fields or changing data sources), the alias may no longer be valid.
  Transport Issues: If the query or data source was transported from one system to another, the alias