How To Fix TG020 - **** index check ********************************************************

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 020

• Message text: **** index check ********************************************************

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG020 - **** index check ******************************************************** ?

  The SAP error message TG020 typically relates to issues with index checks in the SAP system. This error can occur during various operations, such as data retrieval or processing, and it indicates that there is a problem with the index structure of a database table.
  Cause:
  
  Corrupted Index: The index for a database table may be corrupted or inconsistent, which can happen due to various reasons, such as system crashes, improper shutdowns, or issues during data updates.
  Database Changes: Changes in the database schema or structure that are not properly reflected in the index can lead to this error.
  Data Consistency Issues: If there are inconsistencies in the data that the index is supposed to represent, it can trigger this error.
  
  Solution:
  
  
  Rebuild the Index: The most common solution is to rebuild the affected index. This can usually be done through the database administration tools or directly in the SAP system using transaction codes like SE14 (Database Utility) or DB02 (Database Performance).
  
  Steps:
  
  Go to transaction SE14.
  Select the table that is causing the issue.
  Choose the option to "Rebuild Index".
  Follow the prompts to complete the process.
  
  
  
  
  
  Check for Database Errors: Use database-specific tools to check for any errors or inconsistencies in the database. This may involve running consistency checks or repair utilities provided by the database vendor.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Consult with Basis Team: If you are not able to resolve the issue, it may be necessary to involve your SAP Basis team or database administrator, as they will have the necessary access and expertise to diagnose and fix database-related issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE14, DB02, and SM21 (System Log) to monitor and troubleshoot issues.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for detailed instructions on managing indexes and performing repairs.
  SAP Community: Engage with the SAP Community forums for additional insights and shared experiences from other users who may have encountered similar issues.
  
  Always ensure that you have proper backups before performing any operations that modify the database structure or data.