How To Fix GT401 - No index was selected

SAP Error Message - Details

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 401

• Message text: No index was selected

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 GT401 - No index was selected ?

  The SAP error message GT401 ("No index was selected") typically occurs in the context of using the SAP system's database or when working with certain transactions that involve data retrieval or reporting. This error indicates that the system could not find a suitable index for the operation you are trying to perform, which can lead to performance issues or the inability to retrieve data.
  Causes:
  
  Missing Index: The most common cause is that the required index for the database table is missing or not activated.
  Incorrect Selection Criteria: The selection criteria used in the query may not match any existing indexes.
  Database Configuration Issues: There may be issues with the database configuration or the way indexes are defined.
  Data Dictionary Changes: Changes in the data dictionary (like adding or modifying fields) may lead to inconsistencies in the indexes.
  Transaction-Specific Issues: Certain transactions may require specific indexes that are not available in the current configuration.
  
  Solutions:
  
  
  Check Indexes: 
  
  Use transaction codes like SE11 (Data Dictionary) to check if the required indexes exist for the relevant database table.
  If the index is missing, you may need to create it or activate it.
  
  
  
  Review Selection Criteria: 
  
  Ensure that the selection criteria you are using in your query or report are correct and align with the available indexes.
  
  
  
  Rebuild Indexes: 
  
  If indexes are corrupted or not functioning properly, consider rebuilding them. This can often be done through database administration tools or transaction codes like DB02.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to the specific transaction or table you are working with to understand any specific requirements regarding indexes.
  
  
  
  Check for Updates: 
  
  Ensure that your SAP system is up to date with the latest patches and updates, as these may resolve known issues related to indexes.
  
  
  
  Contact SAP Support: 
  
  If the issue persists, consider reaching out to SAP support for assistance, especially if it is affecting critical business processes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and DB02 (Database Performance).
  Performance Tuning: Understanding how indexes work can help in optimizing database performance and avoiding similar issues in the future.
  SAP Notes: Search for SAP Notes related to GT401 or the specific transaction you are using, as they may provide additional insights or solutions.
  
  By following these steps, you should be able to diagnose and resolve the GT401 error in your SAP system.