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

TG189 - Overview

• 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