How To Fix T9492 - Conversion of tables TTZ5 and TTZ5S not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: T9 - Time zones/streams

• Message number: 492

• Message text: Conversion of tables TTZ5 and TTZ5S not possible

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message T9492 - Conversion of tables TTZ5 and TTZ5S not possible ?

  The SAP error message T9492, which states "Conversion of tables TTZ5 and TTZ5S not possible," typically occurs during the upgrade or conversion process of the SAP system. This error is related to the conversion of database tables that are used for storing time zone information.
  Cause:
  
  Database Structure Changes: The error often arises when there are changes in the database structure that are not compatible with the existing data in the tables TTZ5 (Time Zone Data) and TTZ5S (Time Zone Data for Short Names).
  Data Inconsistencies: There may be inconsistencies or corruption in the data stored in these tables, which prevents the conversion process from completing successfully.
  Upgrade Issues: If you are upgrading your SAP system, the error may indicate that the upgrade process is unable to convert the existing data in these tables to the new format required by the upgraded version.
  
  Solution:
  
  Check for Data Consistency: Use transaction codes like SE11 or SE16 to check the contents of the TTZ5 and TTZ5S tables for any inconsistencies or corrupt entries. You may need to clean up or correct any problematic entries.
  Run Database Utility: You can use the database utility tools provided by SAP to check and repair the database tables. This may involve running specific programs or transactions designed to fix inconsistencies.
  Refer to SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates that can resolve the issue.
  Consult Upgrade Guide: If this error occurs during an upgrade, refer to the specific upgrade guide for your SAP version. It may contain steps or prerequisites that need to be followed to ensure a smooth upgrade process.
  Contact SAP Support: If the issue persists after trying the above solutions, it may be necessary to contact SAP Support for further assistance. They can provide more detailed guidance based on your specific system configuration and version.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE16 (Data Browser), ST22 (Dump Analysis), SM21 (System Log).
  SAP Notes: Always check for the latest SAP Notes related to your version and the specific error message.
  Backup: Before making any changes, ensure that you have a complete backup of your database to prevent data loss.
  
  By following these steps, you should be able to diagnose and resolve the T9492 error in your SAP system.