How To Fix TG326 - Start: Index generation for substitution tables

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 326

• Message text: Start: Index generation for substitution tables

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 TG326 - Start: Index generation for substitution tables ?

  The SAP error message TG326, which states "Start: Index generation for substitution tables," typically occurs during the process of generating indexes for substitution tables in the SAP system. This error can arise due to various reasons, including configuration issues, data inconsistencies, or system performance problems.
  Causes:
  
  Configuration Issues: Incorrect configuration of substitution rules or tables can lead to errors during index generation.
  Data Inconsistencies: If there are inconsistencies or corrupt data in the substitution tables, the index generation process may fail.
  Performance Issues: If the system is under heavy load or if there are resource constraints (like memory or CPU), the index generation process may not complete successfully.
  Authorization Issues: Lack of proper authorizations for the user executing the index generation can also lead to this error.
  
  Solutions:
  
  Check Configuration: Review the configuration of the substitution rules and tables to ensure they are set up correctly. Make sure that all necessary fields are properly defined.
  Data Validation: Validate the data in the substitution tables to ensure there are no inconsistencies or corrupt entries. You may need to clean up or correct any problematic data.
  System Performance: Monitor system performance and resource usage. If the system is under heavy load, consider running the index generation during off-peak hours or optimizing system resources.
  Authorization Check: Ensure that the user executing the index generation has the necessary authorizations. You may need to consult with your SAP security team to verify this.
  Transaction Codes: Use transaction codes like OB28 (for substitution) to check the configuration and SE11 (Data Dictionary) to analyze the tables involved.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB28 for managing substitution rules and SE11 for viewing table structures.
  SAP Documentation: Refer to the official SAP documentation for detailed information on substitution and index generation processes.
  Support Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.