How To Fix TG423 - *** RSUPGTAS: Determining table sizes with respect to upgrade/updates

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 423

• Message text: *** RSUPGTAS: Determining table sizes with respect to upgrade/updates

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 TG423 - *** RSUPGTAS: Determining table sizes with respect to upgrade/updates ?

  The SAP error message TG423, specifically related to RSUPGTAS, typically occurs during the upgrade or update process of an SAP system. This error is associated with the determination of table sizes, which is a critical step in ensuring that the database can accommodate the new data structures and changes introduced by the upgrade.
  Cause:
  The error TG423 can be caused by several factors, including:
  
  Database Issues: Problems with the database, such as insufficient space, corrupted tables, or connectivity issues.
  Configuration Errors: Incorrect settings in the SAP system configuration that prevent the upgrade process from determining the necessary table sizes.
  Insufficient Authorizations: The user executing the upgrade may not have the necessary authorizations to access certain tables or perform specific actions.
  Incompatibility: The current version of the SAP system may not be compatible with the upgrade package being applied.
  Missing or Incomplete Data: Required data or structures may be missing or incomplete, leading to issues in size determination.
  
  Solution:
  To resolve the TG423 error, you can follow these steps:
  
  
  Check Database Space: Ensure that there is sufficient space in the database for the upgrade. You may need to increase the database size or clean up unnecessary data.
  
  
  Review Upgrade Logs: Check the upgrade logs for more detailed error messages that can provide insights into what specifically is causing the issue.
  
  
  Verify Authorizations: Ensure that the user executing the upgrade has the necessary authorizations to perform all required actions.
  
  
  Run Pre-Checks: Use the SAP Maintenance Planner or other tools to run pre-checks before the upgrade to identify potential issues.
  
  
  Check Configuration: Review the configuration settings in the SAP system to ensure they are correct and compatible with the upgrade.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for assistance. They can provide more specific guidance based on your system's configuration and the details of the error.
  
  
  Related Information:
  
  SAP Upgrade Guide: Refer to the official SAP upgrade guide for your specific version, as it contains detailed instructions and best practices for performing upgrades.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  SAP Notes: Regularly check the SAP Support Portal for any new notes related to the upgrade process and the specific error message TG423.
  
  By following these steps and utilizing available resources, you should be able to diagnose and resolve the TG423 error effectively.