How To Fix CFD_REGISTRY_CHECK109 - Alias &1 for underlying View &2 does not exist in CDS View &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REGISTRY_CHECK - Custom Fields: Messages for Registry Check

• Message number: 109

• Message text: Alias &1 for underlying View &2 does not exist in CDS View &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_REGISTRY_CHECK109 - Alias &1 for underlying View &2 does not exist in CDS View &3 ?

  The SAP error message CFD_REGISTRY_CHECK109 indicates that there is an issue with the alias for an underlying view in a Core Data Services (CDS) view. Specifically, it means that the alias specified for the underlying view does not exist in the context of the CDS view being referenced.
  Cause:
  
  Missing Alias: The alias specified in the CDS view does not match any existing alias defined for the underlying view.
  Typographical Error: There may be a typo in the alias name or the underlying view name.
  View Not Activated: The underlying view may not be activated, which can lead to the alias not being recognized.
  Changes in the Underlying View: If the underlying view has been modified (e.g., renamed or deleted), the alias may no longer be valid.
  
  Solution:
  
  Check Alias Definition: Verify that the alias specified in the CDS view is correctly defined in the underlying view. Ensure that the alias exists and is spelled correctly.
  Activate the Underlying View: If the underlying view is not activated, activate it in the ABAP Dictionary (transaction SE11) or using the relevant CDS activation transaction.
  Review Changes: If there have been recent changes to the underlying view, review those changes to ensure that the alias is still valid.
  Adjust the CDS View: If the alias is no longer valid, you may need to adjust the CDS view to use the correct alias or create a new alias in the underlying view.
  Check Dependencies: Ensure that there are no dependency issues with other views or objects that might affect the visibility of the alias.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. Understanding how to define and use aliases in CDS views is crucial.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and CDS-specific transactions for managing views.
  Documentation: Refer to SAP Help documentation for detailed information on CDS views, aliases, and best practices for defining and managing them.
  
  By following these steps, you should be able to resolve the CFD_REGISTRY_CHECK109 error and ensure that your CDS views are functioning correctly.