How To Fix 0T112 - Transport routes from &1 to &2 not allowed

0T112 - Overview

• Message type: E = Error

• Message class: 0T - WBO Configuration Editor / SE06

• Message number: 112

• Message text: Transport routes from &1 to &2 not allowed

What causes this issue?

You attempted to create a transport route from system <(>&<)>V1<(>&<)>
to target group <(>&<)>V2<(>&<)>. However, system <(>&<)>V1<(>&<)> has
a release that is too old for this transport route.
<ZH>Target groups with client</> are allowed from Release 4.5A.
<ZH>Target groups without client</> are allowed from Release 4.6A.

System Response

The function terminates.

How to fix this error?

Create transport routes according to the above restrictions.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

0T112 - Details

• The SAP error message 0T112 indicates that there is an issue with transport routes between two systems in the transport landscape. Specifically, it means that the transport route from the source system (&1) to the target system (&2) is not allowed or is not defined in the transport management system (TMS).
  
  Cause:
  
  Transport Route Not Defined: The transport route between the two systems has not been defined in the TMS configuration.
  Incorrect Configuration: The transport route may be incorrectly configured, or the systems may not be connected properly.
  Transport Layer Issues: There may be issues with the transport layer that prevent the transport from being executed.
  Authorization Issues: The user may not have the necessary authorizations to perform the transport between the specified systems.
  
  
  Solution:
  
  
  Check Transport Routes:
  
  Go to the TMS configuration (transaction code STMS).
  Navigate to the "Transport Routes" section and verify if the route from &1 to &2 is defined.
  If it is not defined, you will