How To Fix RSO888 - BW BYD upgrade: Request &1 rebuilds the BW buffer (MAINFL=&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO - BW Repository

• Message number: 888

• Message text: BW BYD upgrade: Request &1 rebuilds the BW buffer (MAINFL=&2)

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSO888 - BW BYD upgrade: Request &1 rebuilds the BW buffer (MAINFL=&2) ?

  The SAP error message RSO888 typically occurs during the upgrade process of SAP Business Warehouse (BW) when there is an issue with the BW buffer. This message indicates that a specific request (denoted by &1) is causing the BW buffer to be rebuilt, and it provides information about the main flow (MAINFL=&2).
  Cause:
  
  Data Consistency Issues: The error may arise due to inconsistencies in the data or metadata in the BW system, which can occur during upgrades or data loads.
  Buffer Corruption: The BW buffer may be corrupted or not properly synchronized with the underlying data, leading to the need for a rebuild.
  Upgrade Process: During an upgrade, certain changes in the data model or structure may necessitate a rebuild of the BW buffer to ensure that the system operates correctly with the new version.
  
  Solution:
  
  Rebuild the BW Buffer: The primary solution is to allow the BW buffer to be rebuilt. This can often be done by executing the relevant transaction or program that handles buffer rebuilding.
  
  You can use transaction RSBTR_REBUILD to manually trigger a buffer rebuild.
  
  
  Check for Data Consistency: Ensure that the data in the InfoProviders is consistent. You may need to run consistency checks or repair tools provided by SAP.
  Monitor the Upgrade Process: If this error occurs during an upgrade, monitor the upgrade logs for any additional errors or warnings that may provide more context.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling buffer issues during upgrades. You can search the SAP Support Portal for notes related to RSO888 or BW buffer issues.
  Consult Documentation: Review the upgrade documentation provided by SAP for any specific steps or considerations related to buffer management during the upgrade process.
  
  Related Information:
  
  SAP BW Documentation: Refer to the official SAP BW documentation for detailed information on buffer management and upgrade procedures.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to address the RSO888 error and ensure that your BW system is functioning correctly after the upgrade.