How To Fix RSD_TREX605 - Do you want to delete the BWA index for object '&1'?

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 605

• Message text: Do you want to delete the BWA index for object '&1'?

An active and filled BWA index already exists for this BW object. This
BWA index is ready to be used for queries or in F4 input help. No
additional action is required. You can now delete the index.
If you delete the BWA index, the logical index (metadata) and all
indexes for the tables of the BW object are deleted from the BWA server.
The only exceptions to this are indexes for master data tables that are
still being used by other BWA indexes.
Deletion of BWA indexes is <ZH>irreversible </>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX605 - Do you want to delete the BWA index for object '&1'? ?

  The SAP error message RSD_TREX605 typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the BWA (Business Warehouse Accelerator) index for a specific object. This message indicates that the system is prompting the user to confirm whether they want to delete the BWA index for the specified object.
  Cause:
  The error can be caused by several factors, including:
  
  Index Corruption: The BWA index for the object may be corrupted or inconsistent.
  Data Model Changes: Changes in the underlying data model (e.g., changes in InfoObjects, InfoProviders, or queries) may require the BWA index to be rebuilt.
  Performance Issues: The system may be experiencing performance issues, prompting the need to delete and recreate the index.
  System Maintenance: Regular maintenance tasks or updates may lead to the need for index deletion.
  
  Solution:
  To resolve the issue, you can follow these steps:
  
  
  Confirm Deletion: If you are prompted with the message, you can choose to delete the index. This will remove the existing index, and you can then recreate it.
  
  
  Rebuild the Index:
  
  After deleting the index, you will need to rebuild it. This can typically be done through the SAP BW administration transaction (e.g., RSA1).
  Navigate to the relevant InfoProvider, right-click, and select the option to "Manage BWA Index" or "Create BWA Index."
  
  
  
  Check for Data Model Changes: If there have been changes to the data model, ensure that all related objects are updated and consistent.
  
  
  Monitor Performance: After rebuilding the index, monitor the performance of queries and reports to ensure that the issue has been resolved.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to BWA and index management for specific guidance and best practices.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to BWA index issues.
  Transaction Codes: Familiarize yourself with transaction codes such as RSA1 (Data Warehousing Workbench) and RSD1 (InfoObject Maintenance) for managing BW objects.
  BWA Administration: Understand the administration and maintenance tasks for BWA, including regular index checks and performance tuning.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.