How To Fix /BOBF/CONF_CDS020 - [BO sync] Creating key structure &2 failed (view &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/CONF_CDS -

• Message number: 020

• Message text: [BO sync] Creating key structure &2 failed (view &1)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/CONF_CDS020 - [BO sync] Creating key structure &2 failed (view &1) ?

  The SAP error message /BOBF/CONF_CDS020 [BO sync] Creating key structure &2 failed (view &1) typically occurs in the context of Business Object Framework (BOBF) when there is an issue with the configuration of a Core Data Services (CDS) view or when the key structure for a business object cannot be created successfully.
  Causes:
  
  Incorrect Configuration: The CDS view may not be configured correctly, leading to issues in generating the key structure.
  Missing Annotations: Required annotations for the CDS view might be missing, which are necessary for the BOBF framework to understand how to handle the data.
  Data Model Issues: There could be inconsistencies or errors in the underlying data model that the CDS view is based on.
  Technical Issues: There may be technical issues such as database inconsistencies or problems with the underlying database tables.
  Transport Issues: If the CDS view or related objects were transported from one system to another, there might be inconsistencies in the transport.
  
  Solutions:
  
  Check CDS View Configuration: Review the configuration of the CDS view to ensure that it is set up correctly. Pay attention to the key fields and their annotations.
  Add Missing Annotations: Ensure that all required annotations are present in the CDS view. This includes annotations for key fields, data types, and any other relevant metadata.
  Validate Data Model: Check the underlying data model for any inconsistencies or errors. Ensure that all tables and fields referenced in the CDS view exist and are correctly defined.
  Rebuild the Key Structure: If possible, try to regenerate the key structure for the business object. This can sometimes resolve issues related to stale or corrupted metadata.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate what went wrong during the transport process.
  Consult SAP Notes: Look for relevant SAP Notes that might address this specific error message or provide guidance on similar issues.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for BOBF and CDS views for detailed information on configuration and best practices.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Debugging: If you have access to the development environment, consider debugging the BOBF framework to get more insights into where the failure is occurring.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.