How To Fix CFD_CHANGE_LOG020 - Enabled usage in CDS view '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_CHANGE_LOG - Custom Fields: Messages for Change Logging

• Message number: 020

• Message text: Enabled usage in CDS view '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_CHANGE_LOG020 - Enabled usage in CDS view '&1' ?

  The SAP error message CFD_CHANGE_LOG020 typically indicates that there is an issue related to the change log functionality in a Core Data Services (CDS) view. This error occurs when the change log is not enabled for a CDS view that is expected to support it.
  Cause:
  The error message CFD_CHANGE_LOG020 is triggered when:
  
  The CDS view is designed to support change logging, but the change log feature is not enabled for that specific view.
  The view may be missing the necessary annotations that indicate it should support change logging.
  
  Solution:
  To resolve this error, you need to enable the change log for the CDS view. Here are the steps to do that:
  
  
  Open the CDS View: Use the ABAP Development Tools (ADT) in Eclipse or the SAP GUI to access the CDS view that is causing the error.
  
  
  Add Change Log Annotations: Ensure that the following annotation is included in the CDS view definition:
  @ChangeLog.enabled: true
  This annotation indicates that change logging is enabled for the view.
  
  
  Activate the CDS View: After adding the necessary annotations, activate the CDS view to apply the changes.
  
  
  Check for Dependencies: Ensure that any underlying tables or views that the CDS view depends on also support change logging if required.
  
  
  Test the Changes: After activation, test the CDS view to ensure that the error message no longer appears and that change logging works as expected.
  
  
  Related Information:
  
  Change Log Functionality: Change logging in SAP allows you to track changes made to data in a database table. This is particularly useful for auditing and data integrity purposes.
  CDS Views: Core Data Services (CDS) views are a way to define semantic data models in SAP. They allow for the creation of complex queries and data models that can be consumed by various SAP applications.
  SAP Documentation: For more detailed information, refer to the official SAP documentation on CDS views and change logging, which provides guidelines on how to implement and manage these features.
  
  If you continue to experience issues after following these steps, consider checking the SAP Notes or reaching out to SAP support for further assistance.