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.