How To Fix TG056 - Index generation for all tables resetted for ISU

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 056

• Message text: Index generation for all tables resetted for ISU

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG056 - Index generation for all tables resetted for ISU ?

  The SAP error message TG056, which states "Index generation for all tables reset for ISU," typically occurs in the context of the SAP IS-U (Utilities) module. This message indicates that the index generation process for the relevant database tables has been reset, which can affect the performance of database queries and the overall functioning of the IS-U application.
  Cause:
  
  Database Maintenance: The error can occur during routine database maintenance activities, such as index rebuilding or reorganization.
  System Configuration Changes: Changes in system configuration or updates to the IS-U module can lead to the resetting of index generation.
  Data Consistency Issues: If there are inconsistencies in the data or if the database has been improperly maintained, it may trigger this error.
  Performance Issues: If the system is experiencing performance issues, it may lead to the resetting of indexes as part of an optimization process.
  
  Solution:
  
  Rebuild Indexes: The primary solution is to rebuild the indexes for the affected tables. This can typically be done through transaction codes like DB02 or SE14 in SAP.
  Check Database Statistics: Ensure that the database statistics are up to date. You can use the DBACOCKPIT transaction to analyze and update statistics.
  Monitor Background Jobs: Check if there are any background jobs that are responsible for index generation and ensure they are running correctly.
  Review System Logs: Look into the system logs (transaction SM21) for any related errors or warnings that could provide more context on the issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on best practices for index management in IS-U.
  Database Administration: If the issue persists, it may be necessary to involve your database administrator to perform a deeper analysis of the database and its performance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE14 (Database Utility), DB02 (Database Performance Analysis), and SM21 (System Log).
  SAP Documentation: Refer to the official SAP documentation for IS-U and database management for best practices and troubleshooting steps.
  Performance Tuning: Regularly monitor and tune the performance of your SAP system to prevent issues related to index generation and database performance.
  
  If the problem continues after following these steps, it may be beneficial to reach out to SAP support for further assistance.