How To Fix RSMIGR158 - STEP15: Rename TREX objects/clean up SAP HANA column views

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 158

• Message text: STEP15: Rename TREX objects/clean up SAP HANA column views

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 RSMIGR158 - STEP15: Rename TREX objects/clean up SAP HANA column views ?

  The SAP error message RSMIGR158 STEP15: Rename TREX objects/clean up SAP HANA column views typically occurs during the migration process from an older version of SAP to a newer version, particularly when transitioning to SAP HANA. This error indicates that there are issues related to the TREX (Text Retrieval and Extraction) objects or the SAP HANA column views that need to be addressed.
  Cause:
  
  
  TREX Objects: The error may arise if there are inconsistencies or issues with the TREX objects that are being used for text indexing and search functionalities. This can happen if the objects are not properly migrated or if there are remnants of old configurations that are incompatible with the new system.
  
  
  SAP HANA Column Views: The error can also be related to the column views in SAP HANA. If there are outdated or improperly defined column views that reference the old data structures, it can lead to this error during the migration process.
  
  
  Solution:
  To resolve the RSMIGR158 error, you can follow these steps:
  
  
  Check TREX Configuration:
  
  Ensure that all TREX objects are correctly configured and compatible with the new version of SAP.
  Use transaction codes like TREXADMIN to check the status of TREX and perform any necessary maintenance.
  
  
  
  Rename TREX Objects:
  
  If the error suggests renaming TREX objects, you may need to manually rename or delete any obsolete TREX objects that are causing conflicts.
  This can often be done through the TREX administration tools or by using relevant SAP transactions.
  
  
  
  Clean Up SAP HANA Column Views:
  
  Review the column views in SAP HANA to identify any that are outdated or incorrectly defined.
  You may need to drop or recreate these column views to ensure they align with the new data model.
  Use the SAP HANA Studio or relevant SQL commands to manage the column views.
  
  
  
  Run Migration Tools:
  
  Utilize SAP's migration tools and programs to ensure that all objects are properly migrated and that any necessary adjustments are made.
  This may include running specific migration reports or programs that can help identify and fix issues.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates that can resolve known issues related to TREX and HANA migrations.
  
  
  
  Testing:
  
  After making the necessary changes, perform thorough testing to ensure that the migration is successful and that all functionalities are working as expected.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for migration processes, especially those related to TREX and HANA.
  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, providing them with detailed logs and error messages for better diagnosis.
  
  By following these steps, you should be able to address the RSMIGR158 error and successfully complete your migration process.