How To Fix CFD_DE_CHANGE_LOG001 - Field &1 of CDS view &2 with name &3 was deselected

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_DE_CHANGE_LOG - Custom Fields: Messages for Data Source Ext Change Logging

• Message number: 001

• Message text: Field &1 of CDS view &2 with name &3 was deselected

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_DE_CHANGE_LOG001 - Field &1 of CDS view &2 with name &3 was deselected ?

  The SAP error message CFD_DE_CHANGE_LOG001 typically indicates that a field in a Core Data Services (CDS) view has been deselected, which can affect the change log functionality. This error is often encountered when working with change log settings in CDS views, particularly when the change log is enabled for a specific field that has been removed or deselected.
  Cause:
  
  Field Deselecting: The field specified in the error message has been deselected in the CDS view definition. This can happen if the field is no longer needed for change logging or if it was manually removed from the view.
  Change Log Configuration: The change log configuration for the CDS view may not be properly set up, leading to inconsistencies between the fields defined in the view and the fields expected for change logging.
  Transport Issues: If the CDS view was transported from one system to another, there may be discrepancies in the field definitions or change log settings.
  
  Solution:
  
  Check CDS View Definition: Review the CDS view definition in the ABAP Development Tools (ADT) or transaction SE11. Ensure that the field in question is still included in the view and is marked for change logging if required.
  Update Change Log Settings: If the field is still needed for change logging, ensure that it is selected in the change log settings. You may need to adjust the annotations in the CDS view to include the field for change logging.
  Re-activate the CDS View: After making changes to the CDS view, re-activate it to ensure that the changes take effect.
  Check Transport Requests: If the issue arose after a transport, check the transport request to ensure that all necessary objects and settings were included and correctly transported.
  Consult Documentation: Refer to SAP documentation or notes related to CDS views and change logging for any specific guidelines or updates that may apply to your version of SAP.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) is a framework for defining and consuming semantically rich data models in SAP. It allows for the creation of views that can be used in various applications.
  Change Log: Change logs are used to track changes to data in SAP systems. They are essential for auditing and data integrity.
  SAP Notes: Check SAP Notes for any known issues or patches related to the CFD_DE_CHANGE_LOG001 error message.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CFD_DE_CHANGE_LOG001 error and ensure that your CDS view is correctly configured for change logging.