How To Fix RSMIGR128 - Error while modifying the DataStore indexes

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 128

• Message text: Error while modifying the DataStore indexes

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMIGR128 - Error while modifying the DataStore indexes ?

  The SAP error message RSMIGR128 typically occurs during the process of modifying DataStore indexes in SAP BW (Business Warehouse). This error can arise due to various reasons, and understanding the cause is essential for finding an appropriate solution.
  Cause:
  
  Data Consistency Issues: The DataStore object (DSO) may have inconsistencies or issues with the data that prevent the modification of indexes.
  Locking Issues: There may be locks on the DataStore object that prevent changes from being made.
  Technical Settings: Incorrect technical settings or configurations in the DataStore object can lead to this error.
  Database Constraints: There may be constraints at the database level that are preventing the modification of indexes.
  Transport Issues: If the DataStore object was transported from another system, there may be issues related to the transport that need to be resolved.
  
  Solution:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the DataStore object. If there are locks, you may need to release them.
  Consistency Check: Perform a consistency check on the DataStore object using transaction code RSA1 (Data Warehousing Workbench) and navigate to the DataStore object. Check for any inconsistencies and resolve them.
  Review Technical Settings: Go to the technical settings of the DataStore object and ensure that all configurations are correct. Make any necessary adjustments.
  Database Check: If you have access to the database, check for any constraints or issues that may be affecting the DataStore object. You may need to consult with your database administrator.
  Recreate Indexes: If the issue persists, consider dropping and recreating the indexes for the DataStore object. This can sometimes resolve underlying issues.
  Transport Issues: If the DataStore object was recently transported, ensure that all related objects and dependencies were also transported correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSMIGR128 for any specific patches or updates that may address this issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation for DataStore objects and index management for best practices and troubleshooting steps.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.