How To Fix TG189 - Unable to find identification of release (first release)

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 189

• Message text: Unable to find identification of release (first release)

What causes this issue?

The tables RELEASEMAP and TODIR do not contain any entries. This can
occur if the system was installed using the current release. As soon as
you upgrade the release, both tables are filled.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TG189 - Unable to find identification of release (first release) ?

  The SAP error message TG189 "Unable to find identification of release (first release)" typically occurs when there is an issue with the system's release identification. This can happen in various scenarios, such as during system upgrades, installations, or when trying to access certain functionalities that depend on the system's release information.
  Causes:
  
  Missing or Corrupted Release Information: The system may not have the necessary release identification data, or it may be corrupted.
  Incorrect System Configuration: The system configuration might not be set up correctly, leading to the inability to identify the release.
  Upgrade Issues: If the system was recently upgraded, there might have been issues during the upgrade process that affected the release identification.
  Transport Issues: If there were issues with transport requests that included release information, this could lead to the error.
  Database Issues: Problems with the underlying database could also prevent the system from retrieving the necessary release information.
  
  Solutions:
  
  Check System Configuration: Verify that the system configuration is correct and that all necessary parameters are set up properly.
  Review Upgrade Logs: If the error occurred after an upgrade, check the upgrade logs for any errors or warnings that might indicate what went wrong.
  Reinstall or Repair: If the release identification data is missing or corrupted, consider reinstalling or repairing the affected components.
  Check Transport Requests: Review any recent transport requests that may have affected the release information and ensure they were imported correctly.
  Database Consistency Check: Perform a consistency check on the database to ensure that there are no underlying issues affecting the release identification.
  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.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed troubleshooting steps based on your specific system configuration and version.
  Documentation: Review the official SAP documentation for your version to understand the expected system behavior and configuration settings related to release identification.
  Community Forums: Engage with SAP community forums or user groups where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the TG189 error in your SAP system.