How To Fix KU128 - Buffer tables were deleted from the INDX

SAP Error Message - Details

• Message type: E = Error

• Message class: KU - Costing: Rollup

• Message number: 128

• Message text: Buffer tables were deleted from the INDX

What causes this issue?

The object lists in the INDX were saved temporarily for hierarchy
&v1& - &v2& for controlling area &v3&. The lists were deleted in the
course of the deletion run.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KU128 - Buffer tables were deleted from the INDX ?

  The SAP error message KU128, which states "Buffer tables were deleted from the INDX," typically relates to issues with the buffer management in the SAP system, particularly concerning the index buffers. This error can occur in various scenarios, often linked to database inconsistencies or issues with the index tables.
  Causes:
  
  Database Inconsistencies: The error may arise due to inconsistencies in the database, particularly if the index tables have been corrupted or improperly maintained.
  Buffer Management Issues: Problems with the buffer management settings or configurations can lead to this error, especially if the buffer is not able to handle the data correctly.
  Transport Issues: If there were recent transports that included changes to the database schema or index definitions, this could lead to inconsistencies.
  System Upgrades or Patches: Upgrading the SAP system or applying patches can sometimes lead to temporary inconsistencies in the index buffers.
  
  Solutions:
  
  Rebuild Indexes: One of the first steps to resolve this issue is to rebuild the affected indexes. This can be done using transaction codes like SE14 (Database Utility) or DB02 (Database Performance).
  Check Database Consistency: Use the database consistency check tools available in SAP to identify and rectify any inconsistencies in the database.
  Adjust Buffer Settings: Review and adjust the buffer settings in the SAP system. This can be done in the instance profile parameters.
  Clear Buffers: You can clear the buffer using transaction SM12 (to delete lock entries) and SM21 (to check system logs) to see if there are any related issues.
  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.
  Consult SAP Notes: Look for relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE14, DB02, SM12, and SM21 for managing database and buffer issues.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more tailored solutions based on the specific configuration and version of your SAP system.
  Documentation: Review SAP documentation related to database management and buffer handling for more insights into best practices and troubleshooting steps.
  
  Always ensure that you have proper backups and that you perform these operations in a test environment before applying them to production systems.