How To Fix RSRTS_CDS004 - Left side of comparison expresiion must refer to an element

RSRTS_CDS004 - Overview

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 004

• Message text: Left side of comparison expresiion must refer to an element

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS004 - Left side of comparison expresiion must refer to an element ?

  The SAP error message RSRTS_CDS004 typically occurs in the context of using Core Data Services (CDS) views or when working with ABAP CDS queries in SAP BW or SAP HANA environments. The error message indicates that there is an issue with a comparison expression in your CDS query or view definition.
  
  Cause:
  The error message "Left side of comparison expression must refer to an element" usually arises due to one of the following reasons:
  
  
  Invalid Comparison: The left side of a comparison expression (like =, >, <, etc.) is not referencing a valid field or element. This can happen if you are trying to compare a constant or an expression that does not resolve to a field in the context of the CDS view.
  
  
  Incorrect Syntax: There may be a syntax error in the CDS view definition, such as missing or incorrectly defined fields.
  
  
  Field Scope: The field you are trying to reference may not