How To Fix TG691 - Central basis tables : &

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 691

• Message text: Central basis 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.

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

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG691 - Central basis tables : & ?

  The SAP error message TG691 typically relates to issues with the central basis tables in the SAP system. This error can occur during various operations, such as data migration, system upgrades, or when accessing certain functionalities that rely on these tables.
  Cause:
  The error message TG691 can be caused by several factors, including:
  
  Missing or Incomplete Data: The central basis tables may not have been populated correctly, leading to missing entries that the system expects.
  Corruption of Tables: There may be corruption in the database tables that store central basis data.
  Incompatibility Issues: If there have been recent upgrades or changes to the system, there may be compatibility issues with the existing data in the central basis tables.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the central basis tables.
  
  Solution:
  To resolve the TG691 error, you can take the following steps:
  
  Check Table Entries: Use transaction codes like SE11 or SE16 to check the entries in the relevant central basis tables. Ensure that all required data is present and correct.
  Database Consistency Check: Run a consistency check on the database to identify and fix any corruption issues. You can use transaction code DB02 or DBACOCKPIT for this purpose.
  Review System Logs: Check the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  Authorization Check: Ensure that the user encountering the error has the necessary authorizations to access the central basis tables.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that can resolve the issue.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), SM21 (System Log), and DB02 (Database Performance).
  SAP Notes: Regularly check for SAP Notes related to your version of SAP, as they may contain important updates or fixes for known issues.
  System Documentation: Review the system documentation for any specific configurations or requirements related to the central basis tables.
  
  By following these steps, you should be able to diagnose and resolve the TG691 error in your SAP system.