How To Fix RSMIGR135 - BWA indexes deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 135

• Message text: BWA indexes deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMIGR135 - BWA indexes deleted ?

  The SAP error message RSMIGR135 indicates that BWA (Business Warehouse Accelerator) indexes have been deleted. This typically occurs during the migration or upgrade process of SAP BW systems, particularly when transitioning to newer versions or when there are changes in the data model.
  Cause:
  
  Migration Process: During the migration of BW data models or when upgrading to a new version of SAP BW, the system may delete existing BWA indexes to ensure compatibility with the new data structures.
  Data Model Changes: Changes in InfoProviders, such as the deletion or modification of InfoCubes or DataStore Objects (DSOs), can lead to the deletion of associated BWA indexes.
  System Configuration: Incorrect configuration settings or issues in the BWA setup can also lead to the deletion of indexes.
  
  Solution:
  
  Rebuild BWA Indexes: After the migration or upgrade, you will need to rebuild the BWA indexes. This can typically be done through the SAP BW administration transaction:
  
  Use transaction RSCONN01 to check the connection to the BWA.
  Use transaction RSBWA to manage BWA indexes and rebuild them as necessary.
  
  
  Check for Errors: Review the migration logs and error messages to identify any specific issues that may have caused the deletion of the indexes.
  Data Consistency: Ensure that the data model is consistent and that all necessary InfoProviders are correctly defined before rebuilding the indexes.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error. SAP Notes can be found in the SAP Support Portal.
  
  Related Information:
  
  BWA Overview: The Business Warehouse Accelerator is designed to improve query performance in SAP BW by using in-memory technology to store and process data.
  Migration Best Practices: Always follow SAP's best practices for migration and upgrades, including thorough testing in a development or quality assurance environment before applying changes to production.
  Documentation: Refer to the official SAP documentation for detailed steps on managing BWA indexes and troubleshooting related issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.