How To Fix SADL_GW_DT_CDS023 - Composition of CDS view &1 contains duplicate views.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 023

• Message text: Composition of CDS view &1 contains duplicate views.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_CDS023 - Composition of CDS view &1 contains duplicate views. ?

  The SAP error message SADL_GW_DT_CDS023 indicates that there is a problem with the composition of a Core Data Services (CDS) view in your SAP system. Specifically, it means that the CDS view you are trying to use contains duplicate views, which can lead to ambiguity and issues when trying to access or manipulate the data.
  Cause
  The error typically arises from one of the following scenarios:
  
  Duplicate View Definitions: The CDS view is defined multiple times in the same context or has been included in another view multiple times.
  Inconsistent Naming: Different views may have similar or identical names, leading to confusion in the system.
  Incorrect Associations: The associations defined in the CDS view may inadvertently point to the same view multiple times.
  
  Solution
  To resolve the SADL_GW_DT_CDS023 error, you can follow these steps:
  
  
  Check the CDS View Definition:
  
  Open the CDS view in the ABAP Development Tools (ADT) or the relevant transaction (e.g., SE11).
  Review the view definition to identify any duplicate references to other views.
  
  
  
  Remove Duplicates:
  
  If you find that the same view is included multiple times, remove the duplicate references.
  Ensure that each view is only referenced once in the composition.
  
  
  
  Rename Views:
  
  If there are multiple views with similar names, consider renaming them to avoid confusion.
  
  
  
  Review Associations:
  
  Check the associations in the CDS view to ensure they are correctly defined and do not point to the same view multiple times.
  
  
  
  Activate the CDS View:
  
  After making the necessary changes, activate the CDS view to ensure that the changes take effect.
  
  
  
  Test the View:
  
  Execute the CDS view to confirm that the error has been resolved and that the view returns the expected results.
  
  
  
  Related Information
  
  CDS Views: Core Data Services (CDS) is a framework for defining semantically rich data models in SAP. It allows for the creation of views that can be consumed by various applications.
  ABAP Development Tools (ADT): A set of tools for developing ABAP applications, including the ability to create and manage CDS views.
  SAP Notes and Documentation: Check SAP Notes for any specific issues related to your version of SAP that might provide additional context or solutions.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.