How To Fix RSMIGR126 - STEP11: Delete temporary hierarchy tables (TREX)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 126

• Message text: STEP11: Delete temporary hierarchy tables (TREX)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMIGR126 - STEP11: Delete temporary hierarchy tables (TREX) ?

  The SAP error message RSMIGR126, specifically during STEP 11 of the migration process, indicates an issue related to the deletion of temporary hierarchy tables in the TREX (Text Retrieval and Information Extraction) system. This error typically arises during the migration of data or when performing system upgrades.
  Cause:
  
  Incomplete Migration: The migration process may not have completed successfully, leading to residual temporary tables that cannot be deleted.
  Database Locking: There may be locks on the database tables that prevent the deletion of the temporary hierarchy tables.
  Configuration Issues: Incorrect configuration settings in the TREX system or the underlying database can lead to this error.
  Insufficient Permissions: The user executing the migration may not have the necessary permissions to delete the temporary tables.
  
  Solution:
  
  Check Migration Logs: Review the migration logs for any preceding errors that might have caused the failure in STEP 11. Address any issues found in the logs.
  Manual Deletion: If the temporary tables are still present and causing issues, you may need to manually delete them from the database. This should be done with caution and ideally under the guidance of an SAP Basis consultant.
  Database Locks: Check for any locks on the database tables. You can use transaction codes like SM12 to view and manage locks. If locks are found, they should be released.
  Permissions: Ensure that the user executing the migration has the necessary permissions to delete tables in the database.
  TREX Configuration: Verify the configuration settings for TREX. Ensure that it is correctly set up and that all necessary services are running.
  Restart TREX: Sometimes, restarting the TREX service can resolve temporary issues that may be causing the error.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed steps on the migration process and troubleshooting common errors.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  Always ensure that you have a backup of your data before making any changes to the database or performing manual deletions.