How To Fix SADL_GEN_DRFT_MSG053 - Association #TO_COMPOSITION_ROOT in CDS-View &1 is missing or invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GEN_DRFT_MSG - Message for Draft generation

• Message number: 053

• Message text: Association #TO_COMPOSITION_ROOT in CDS-View &1 is missing or invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GEN_DRFT_MSG053 - Association #TO_COMPOSITION_ROOT in CDS-View &1 is missing or invalid ?

  The SAP error message SADL_GEN_DRFT_MSG053 indicates that there is an issue with an association in a Core Data Services (CDS) view. Specifically, it states that the association #TO_COMPOSITION_ROOT in the CDS view is either missing or invalid. This error typically arises when the CDS view is trying to reference an association that does not exist or is incorrectly defined.
  Causes:
  
  Missing Association: The association #TO_COMPOSITION_ROOT is not defined in the CDS view or the associated entity.
  Invalid Association: The association may be defined incorrectly, such as having the wrong cardinality, or it may reference a non-existent entity.
  Incorrect Annotations: The annotations related to the association might be incorrect or missing, leading to the inability to resolve the association.
  Changes in Underlying Data Model: If the underlying data model has changed (e.g., a table or view was deleted or renamed), the association may no longer be valid.
  
  Solutions:
  
  
  Check Association Definition: Verify that the association #TO_COMPOSITION_ROOT is correctly defined in the CDS view. Ensure that it points to the correct target entity and that the cardinality is appropriate.
  define association to CompositionRoot as to_composition_root
  on $projection.key_field = CompositionRoot.key_field
  
  
  Review Related Entities: Ensure that the target entity (CompositionRoot) exists and is correctly defined. Check for any changes in the data model that might affect the association.
  
  
  Update Annotations: If there are specific annotations required for the association, ensure they are correctly applied. This may include annotations for the association itself or for the fields involved.
  
  
  Rebuild the CDS View: If you have made changes to the underlying data model or the CDS view, try to activate the CDS view again. Sometimes, reactivating can resolve issues related to stale metadata.
  
  
  Check for Dependencies: Ensure that all dependent objects (like other CDS views, tables, or entities) are active and correctly defined. If any of these are inactive or incorrectly defined, it can lead to issues in the CDS view.
  
  
  Consult Documentation: Refer to the SAP documentation for CDS views and associations to ensure that you are following best practices and guidelines.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Debugging Tools: Use the ABAP Development Tools (ADT) in Eclipse to debug the CDS view and inspect the associations and their definitions.
  
  By following these steps, you should be able to identify and resolve the issue related to the SADL_GEN_DRFT_MSG053 error in your CDS view.