How To Fix RSRTS_CDS040 - Unknown parameter &1 is used in hierarchy binding (at &2)

RSRTS_CDS040 - Overview

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 040

• Message text: Unknown parameter &1 is used in hierarchy binding (at &2)

Self-Explanatory Message

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RSRTS_CDS040 - Details

• The SAP error message RSRTS_CDS040 indicates that there is an issue with a parameter used in a hierarchy binding within a CDS (Core Data Services) view or a query. This error typically arises when a parameter that is expected in the hierarchy binding is either not defined or is incorrectly referenced.
  
  Cause:
  
  Undefined Parameter: The parameter referenced in the hierarchy binding is not defined in the CDS view or the query.
  Typographical Error: There may be a typo in the parameter name, leading to the system not recognizing it.
  Incorrect Binding: The parameter might be incorrectly bound in the hierarchy, meaning it does not match the expected structure or data type.
  Changes in Data Model: If there have been recent changes to the underlying data model or the CDS view, it may have affected the parameters used in the hierarchy.
  
  
  Solution:
  
  Check Parameter Definition: Verify that the parameter mentioned in the error message is defined in the