How To Fix CFD_DE_REPOSITORY_AD028 - Update of View Collection Buffer Table failed for Extension &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_DE_REPOSITORY_AD - Messages for cfd data provider extension repository adapter

• Message number: 028

• Message text: Update of View Collection Buffer Table failed for Extension &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 CFD_DE_REPOSITORY_AD028 - Update of View Collection Buffer Table failed for Extension &1. ?

  The SAP error message CFD_DE_REPOSITORY_AD028, which states "Update of View Collection Buffer Table failed for Extension &1," typically occurs in the context of SAP's Core Data Services (CDS) or when dealing with data models and extensions in the SAP system. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Data Model Issues: There may be inconsistencies or errors in the data model or the extension being used.
  Buffer Table Issues: The view collection buffer table may be locked or corrupted, preventing updates.
  Authorization Issues: The user may not have the necessary authorizations to perform the update.
  Database Issues: There could be underlying database issues, such as connectivity problems or transaction log issues.
  Transport Issues: If the extension was transported from another system, there may be issues with the transport itself.
  
  Solutions:
  
  Check Data Model: Review the data model and the extension for any inconsistencies or errors. Ensure that all necessary fields and relationships are correctly defined.
  Clear Buffer: If the buffer table is locked, you may need to clear the buffer or restart the relevant services. This can sometimes resolve temporary locking issues.
  Check Authorizations: Ensure that the user executing the operation has the necessary authorizations to update the view collection buffer table.
  Database Health Check: Perform a health check on the database to ensure that it is functioning correctly. Look for any error logs or issues that may indicate a problem.
  Transport Validation: If the extension was transported, validate the transport to ensure that it was successful and that all necessary objects were included.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Core Data Services and extensions for more detailed information on how to manage and troubleshoot these components.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and ST22 (Dump Analysis) to help diagnose and resolve the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.