How To Fix SADL_GW_DT_CDS040 - Composition association &1 must not be used with a filter.

SADL_GW_DT_CDS040 - Overview

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 040

• Message text: Composition association &1 must not be used with a filter.

Self-Explanatory Message

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SADL_GW_DT_CDS040 - Details

• The SAP error message SADL_GW_DT_CDS040 typically occurs in the context of Core Data Services (CDS) views when there is an issue with the way associations are being used in a query, particularly when filters are applied to a composition association.
  
  Cause:
  The error message indicates that a composition association (which is a type of association that implies a strong ownership relationship between two entities) is being used in a way that is not allowed with a filter. In SAP CDS, composition associations cannot be filtered directly because they imply a strict relationship where the lifecycle of the child entity is tied to the parent entity. 
  
  Solution:
  To resolve this error, consider the following approaches:
  
  
  Review the Association: Check the definition of the composition association in your CDS view. Ensure that you are not trying to filter on the composition association directly. Instead, you may need to filter on the parent entity or use a