How To Fix TG328 - Index generation for substitution tables not completed

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 328

• Message text: Index generation for substitution tables not completed

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 TG328 - Index generation for substitution tables not completed ?

  The SAP error message TG328 indicates that the index generation for substitution tables has not been completed successfully. This can occur in the context of SAP's substitution functionality, which is used to replace certain values in documents based on predefined rules.
  Causes:
  
  Incomplete Configuration: The substitution rules may not be fully configured or activated.
  Missing Authorizations: The user executing the index generation may lack the necessary authorizations to perform the operation.
  Database Issues: There may be issues with the database that prevent the index from being generated.
  System Performance: High system load or performance issues can lead to timeouts or failures in the index generation process.
  Transport Issues: If the substitution rules were transported from another system, there may be inconsistencies or missing objects.
  
  Solutions:
  
  Check Configuration: Ensure that all substitution rules are correctly configured and activated in the system. You can do this by navigating to the relevant configuration settings in the SAP system.
  Review Authorizations: Verify that the user has the necessary authorizations to execute the index generation. This may involve checking roles and permissions in the user profile.
  Database Check: Investigate the database for any issues. This may involve checking for locks, performance bottlenecks, or other database-related problems.
  Monitor System Performance: Check the system performance and load. If the system is under heavy load, consider scheduling the index generation during off-peak hours.
  Re-run Index Generation: If the initial attempt failed, try re-running the index generation process. This can sometimes resolve transient issues.
  Check Transport Logs: If the substitution rules were recently transported, check the transport logs for any errors or warnings that may indicate missing objects or inconsistencies.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like OB28 (for substitution) to check and maintain substitution rules.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to error TG328. SAP Notes often provide patches or additional guidance for known issues.
  System Logs: Review system logs (transaction SM21) for any related error messages that could provide more context on the failure.
  Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the TG328 error in your SAP system.