How To Fix TG055 - Index generation for Index &1 of table &2 resetted for ISU

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 055

• Message text: Index generation for Index &1 of table &2 resetted for ISU

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG055 - Index generation for Index &1 of table &2 resetted for ISU ?

  The SAP error message TG055 indicates that the index generation for a specific index of a table has been reset. This typically occurs in the context of the SAP ISU (Industry Solution for Utilities) module, which is used for managing utility services such as electricity, water, and gas.
  Cause:
  The error message TG055 can be triggered by several factors, including:
  
  Database Locking Issues: If there are locks on the database table, the index generation process may be interrupted, leading to a reset.
  System Performance Issues: High system load or performance bottlenecks can cause the index generation process to fail.
  Data Consistency Issues: If there are inconsistencies in the data or if the data is being modified while the index is being generated, it can lead to a reset.
  Configuration Issues: Incorrect configuration settings for the database or the SAP system can also lead to this error.
  
  Solution:
  To resolve the TG055 error, you can take the following steps:
  
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the relevant tables. If locks are found, investigate the processes holding those locks and resolve them.
  
  
  Monitor System Performance: Use transaction codes like ST03N or ST22 to monitor system performance and check for any performance issues that might be affecting index generation.
  
  
  Rebuild the Index: You can manually trigger the index generation process again. This can be done using transaction codes like SE14 (Database Utility) to manage the indexes of the relevant table.
  
  
  Check for Data Consistency: Ensure that the data in the table is consistent and not being modified during the index generation process. You may need to run consistency checks or data validation processes.
  
  
  Review Configuration Settings: Check the configuration settings for the database and the SAP system to ensure they are correctly set up for index generation.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE14 (Database Utility), SM12 (Lock Entries), ST03N (Workload Analysis), and ST22 (Dump Analysis) for troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for ISU and database management for more detailed guidance on index management.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult with SAP support for further assistance.