How To Fix RSMIGR164 - Number of changed secondary indexes in Dictionary: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 164

• Message text: Number of changed secondary indexes in Dictionary: &1

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMIGR164 - Number of changed secondary indexes in Dictionary: &1 ?

  The SAP error message RSMIGR164 indicates that there is a discrepancy in the number of changed secondary indexes in the database dictionary during a migration or upgrade process. This message typically arises when the system detects that the number of secondary indexes defined in the database does not match the expected number based on the data dictionary.
  Cause:
  
  Inconsistent Data Dictionary: The data dictionary may not be in sync with the actual database structure. This can happen due to incomplete migrations, manual changes, or issues during the upgrade process.
  Missing or Extra Indexes: There may be missing secondary indexes that should have been created or extra indexes that are not needed.
  Database Changes: Changes made directly in the database (outside of SAP) can lead to inconsistencies.
  
  Solution:
  
  Check the Data Dictionary: Use transaction codes like SE11 (Data Dictionary) to review the definitions of the secondary indexes. Compare them with the actual database structure.
  Rebuild Indexes: If there are discrepancies, you may need to rebuild the indexes. This can often be done using transaction codes like SE14 (Database Utility) to adjust the database objects.
  Use SAP Tools: Utilize SAP tools such as the Database Utility (SE14) or the ABAP Dictionary (SE11) to regenerate the indexes.
  Run Migration Reports: If this error occurs during a migration, ensure that all migration reports have been executed successfully. Check the logs for any errors or warnings that may indicate what went wrong.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Check for Custom Code: If there are custom developments that manipulate database objects, review them to ensure they are not causing the issue.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Search the SAP Support Portal for notes related to RSMIGR164 or secondary index issues.
  Documentation: Review SAP documentation on database migrations and upgrades for best practices and troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is impacting system functionality.
  
  By following these steps, you should be able to identify and resolve the issue related to the RSMIGR164 error message.